As filed with the Securities and Exchange Commission on April 3, 1995
 
            Proxy Statement Pursuant to Section 14(a) of the Securities 
                    Exchange Act of 1934 (Amendment No.  )

Filed by the Registrant [X]
Filed by a Party other than the Registrant [ ]

Check the appropriate box:                 [ ] Confidential, for Use of the
                                               Commission Only (as permitted
[ ] Preliminary proxy statement                by Rule 14a-6(e)(2)           
[X] Definitive proxy statement
[ ] Definitive additional materials
[ ] Soliciting material pursuant to Rule 14a-11(c) or Rule 14a-12
 

                     MUNIYIELD FLORIDA INSURED FUND
- --------------------------------------------------------------------------------
                (Name of Registrant as Specified in Its Charter)


- --------------------------------------------------------------------------------
      (Name of Person(s) Filing Proxy Statement, if other than the Registrant)


Payment of Filing Fee (Check the appropriate box):
[X] $125 per Exchange Act Rule 0-11(c)(1)(ii), 14a-6(i)(1), or 14a-6(i)(2) or 
    Item 22(a)(2) of Schedule 14A.
[ ] $500 per each party to the controversy pursuant to Exchange Act Rule
    14a-6(i)(3).
[ ] Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.
 
(1) Title of each class of securities to which transaction applies:

- --------------------------------------------------------------------------------
 
(2) Aggregate number of securities to which transaction applies:

- --------------------------------------------------------------------------------
 
(3) Per unit price or other underlying value of transaction computed pursuant
    to Exchange Act Rule 0-11 (Set forth the amount on which the filing fee is
    calculated and state how it was determined):

- --------------------------------------------------------------------------------

(4) Proposed maximum aggregate value of transaction:

- --------------------------------------------------------------------------------
(5) Total fee paid:

- --------------------------------------------------------------------------------
[ ] Fee paid previously with preliminary materials.
- --------------------------------------------------------------------------------
[ ] Check box if any part of the fee is offset as provided by Exchange Act Rule
    0-11(a)(2) and identify the filing for which the offsetting fee was paid
    previously. Identify the previous filing by registration statement number,
    or the Form or Schedule and the date of its filing.
 
(1) Amount Previously Paid:
 
- --------------------------------------------------------------------------------

(2) Form, Schedule or Registration Statement No.:

- --------------------------------------------------------------------------------

(3) Filing Party:
 
- --------------------------------------------------------------------------------

(4) Date Filed:
 
- --------------------------------------------------------------------------------



                         MUNIYIELD FLORIDA INSURED FUND
                                 P.O. BOX 9011
                        PRINCETON, NEW JERSEY 08543-9011
                              -------------------
                 NOTICE OF 1995 ANNUAL MEETING OF SHAREHOLDERS
                                  MAY 12, 1995
                              -------------------
 
TO THE SHAREHOLDERS OF MUNIYIELD FLORIDA INSURED FUND:
 
    Notice is hereby given that the 1995 Annual Meeting of Shareholders (the
"Meeting") of MuniYield Florida Insured Fund (the "Fund") will be held at the
offices of Merrill Lynch Asset Management, L.P., 800 Scudders Mill Road,
Plainsboro, New Jersey, on Friday, May 12, 1995 at 10:15 A.M. for the following
purposes:
 
        (1) To elect a Board of Trustees to serve for the ensuing year;
 
        (2) To consider and act upon a proposal to ratify the selection of
    Deloitte & Touche LLP to serve as independent auditors of the Fund for its
    current fiscal year; and
 
        (3) To transact such other business as may properly come before the
    Meeting or any adjournment thereof.
 
    The Board of Trustees has fixed the close of business on March 17, 1995 as
the record date for the determination of shareholders entitled to notice of and
to vote at the Meeting or any adjournment thereof.
 
    A complete list of the shareholders of the Fund entitled to vote at the
Meeting will be available and open to the examination of any shareholder of the
Fund for any purpose germane to the Meeting during ordinary business hours from
and after April 28, 1995, at the office of the Fund, 800 Scudders Mill Road,
Plainsboro, New Jersey 08536. You are cordially invited to attend the Meeting.
SHAREHOLDERS WHO DO NOT EXPECT TO ATTEND THE MEETING IN PERSON ARE REQUESTED TO
COMPLETE, DATE AND SIGN THE ENCLOSED FORM OF PROXY AND RETURN IT PROMPTLY IN THE
ENVELOPE PROVIDED FOR THIS PURPOSE. The enclosed proxy is being solicited on
behalf of the Board of Trustees of the Fund.
 
                                          By Order of the Board of Trustees
                                          MARK B. GOLDFUS
                                          Secretary
 
Plainsboro, New Jersey
Dated: April 3, 1995

                                PROXY STATEMENT
                              -------------------
                         MUNIYIELD FLORIDA INSURED FUND
                                 P.O. BOX 9011
                        PRINCETON, NEW JERSEY 08543-9011
                              -------------------
                      1995 ANNUAL MEETING OF SHAREHOLDERS
                                  MAY 12, 1995
 
                                  INTRODUCTION
 
    This Proxy Statement is furnished in connection with the solicitation of
proxies on behalf of the Board of Trustees of MuniYield Florida Insured Fund, a
Massachusetts business trust (the "Fund"), to be voted at the 1995 Annual
Meeting of Shareholders of the Fund (the "Meeting"), to be held at the offices
of Merrill Lynch Asset Management, L.P. ("MLAM"), 800 Scudders Mill Road,
Plainsboro, New Jersey, on Friday, May 12, 1995 at 10:15 A.M. The approximate
mailing date of this Proxy Statement is April 6, 1995.
 
    All properly executed proxies received prior to the Meeting will be voted at
the Meeting in accordance with the instructions marked thereon or otherwise as
provided therein. Unless instructions to the contrary are marked, proxies will
be voted for the election of the Board of Trustees to serve for the ensuing
year, and for the ratification of the selection of independent auditors to serve
for the Fund's current fiscal year. Any proxy may be revoked at any time prior
to the exercise thereof by giving written notice to the Secretary of the Fund at
the Fund's address indicated above or by voting in person at the Meeting.
 
    The Board of Trustees has fixed the close of business on March 17, 1995 as
the record date for the determination of shareholders entitled to notice of and
to vote at the Meeting and at any adjournment thereof. Shareholders on the
record date will be entitled to one vote for each share held, with no shares
having cumulative voting rights. As of March 17, 1995, the Fund had outstanding
8,350,463 shares of beneficial interest, par value $.10 per share ("Common
Shares"), and 2,400 shares of auction market preferred stock, par value $.05 per
share and liquidation preference of $25,000 per share plus an amount equal to
accumulated but unpaid dividends thereon ("AMPS"). To the knowledge of the Fund,
as of March 17, 1995, no person is the beneficial owner of more than five
percent of the outstanding Common Shares or five percent of the outstanding
AMPS.
 
    The Board of Trustees of the Fund knows of no business other than that
mentioned in Items 1 and 2 of the Notice of Meeting which will be presented for
consideration at the Meeting. If any other matter is properly presented, it is
the intention of the persons named in the enclosed proxy to vote in accordance
with their best judgment.

                          ITEM 1. ELECTION OF TRUSTEES
 
    At the Meeting, the Board of Trustees will be elected to serve until the
next Annual Meeting of Shareholders and until their successors are elected and
qualified. It is intended that all properly executed proxies will be voted
(unless such authority has been withheld in the proxy) as follows:
 
        (1) All such proxies of the holders of AMPS, voting separately by class,
    in favor of the two (2) persons designated as Trustees to be elected by
    holders of AMPS; and
 
        (2) All such proxies of the holders of AMPS and Common Shares, voting
    together as a single class, in favor of the four (4) persons designated as
    Trustees to be elected by holders of AMPS and Common Shares.
 
    The Board of Trustees of the Fund knows of no reason why any of these
nominees will be unable to serve, but in the event of any such unavailability,
the proxies received will be voted for such substitute nominee or nominees as
the Board of Trustees may recommend.
 
    Certain information concerning the nominees, including their designated
classes, is set forth as follows:
 
TO BE ELECTED BY HOLDERS OF AMPS, VOTING SEPARATELY BY CLASS:
 

                                                                                          SHARES
                                                                                       BENEFICIALLY
                                                                                         OWNED AT
                                                                                      MARCH 17, 1995
                                             PRINCIPAL OCCUPATIONS                    --------------
                                             DURING PAST FIVE YEARS       TRUSTEE     COMMON
   NAME AND ADDRESS OF NOMINEE    AGE     AND PUBLIC DIRECTORSHIPS(1)      SINCE      SHARES    AMPS
- --------------------------------  ---   --------------------------------  --------    ------    ----
                                                                                 
Donald Cecil(1)(2)..............  68    Special Limited Partner of          1992          0       0
 Cumberland Associates                   Cumberland Partners (an
 1114 Avenue of the Americas             investment partnership) since
 New York, New York 10036                1982; Member of Institute of
                                         Chartered Financial Analysts;
                                         Member and Chairman of
                                         Westchester County (N.Y.) Board
                                         of Transportation.
M. Colyer Crum(1)(2)............  62    James R. Williston Professor of     1992          0       0
 Soldiers Field Road                     Investment Management, Harvard
 Boston, Massachusetts 02163             Business School, since 1971;
                                         Director of Cambridge Bancorp,
                                         Copley Properties, Inc. and Sun
                                         Life Assurance Company of
                                         Canada.

 
                                       2

TO BE ELECTED BY HOLDERS OF AMPS AND COMMON SHARES, VOTING TOGETHER AS A SINGLE
CLASS:
 

                                                                                          SHARES
                                                                                       BENEFICIALLY
                                                                                         OWNED AT
                                                                                      MARCH 17, 1995
                                             PRINCIPAL OCCUPATIONS                    --------------
                                             DURING PAST FIVE YEARS       TRUSTEE     COMMON
    NAME AND ADDRESS OF NOMINEE   AGE     AND PUBLIC DIRECTORSHIPS(1)      SINCE      SHARES    AMPS
- --------------------------------  ---   --------------------------------  --------    ------    ----
                                                                                 
 
Edward H. Meyer(1)(2)...........  68    President of Grey Advertising       1992          0       0
 Grey Advertising Inc                   Inc. since 1968, Chief Executive
 777 Third Avenue                        Officer since 1970 and Chairman
 New York, New York 10017                of the Board of Directors since
                                         1972; Director of The May
                                         Department Stores Company,
                                         Bowne & Co., Inc. (financial
                                         printers), Ethan Allen
                                         Interiors, Inc. and Harman
                                         International Industries, Inc.
 
Jack B. Sunderland(1)(2)........  66    President and Director of           1992          0       0
 P.O. Box 1177                          American Independent Oil
 Scarsdale, New York 10583               Company, Inc. (an energy
                                         company) since 1987; Chairman
                                         of Murexco Petroleum, Inc. (an
                                         energy company) from 1981 to
                                         1988; President, Director and
                                         Chief Executive Officer of
                                         Coroil, Inc. (an energy
                                         company) from 1979 to 1985;
                                         Member of Council on Foreign
                                         Relations since 1971.
 
J. Thomas Touchton(1)(2)........  56    Managing Partner of The Witt-       1992          0       0
 Suite 3405                              Touchton Company and its
 One Tampa City Center                   predecessor, The Witt Co. (a
 Tampa, Florida 33602                    private investment partnership)
                                         since 1972; Trustee Emeritus of
                                         Washington and Lee University;
                                         Director of TECO Energy Inc.
                                         (an electric utility holding
                                         company).
 
Arthur Zeikel(1)*...............  62    President of Fund Asset             1992          0       0
 P.O. Box 9011                          Management, L.P. ("FAM", which
 Princeton, New Jersey                   term includes its corporate
 08543-9011                              predecessors) since 1977;
                                         President of MLAM (which term
                                         includes its corporate
                                         predecessors) since 1977;
                                         President and Director of
                                         Princeton Services, Inc.
                                         ("Princeton Services") since
                                         1993; Executive Vice President
                                         of Merrill Lynch & Co., Inc.
                                         ("ML&Co.") since 1990;
                                         Executive Vice President of
                                         Merrill Lynch, Pierce, Fenner &
                                         Smith Incorporated ("Merrill
                                         Lynch") since 1990 and a Senior
                                         Vice President thereof from
                                         1985 to 1990.

 
                                                   (Footnotes on following page)
 
                                       3

(Footnotes for preceding page)
 
- ------------
(1) Each of the nominees is a director, trustee or member of an advisory board
    of certain other investment companies for which FAM or MLAM acts as
    investment adviser. See "Compensation of Trustees and Officers" below.
 
(2) Member of Audit Committee of the Board of Trustees.
 
 * Interested person, as defined in the Investment Company Act of 1940, as
   amended (the "Investment Company Act"), of the Fund.
 
    Committees and Board of Trustees' Meetings. The Board of Trustees has a
standing Audit Committee which consists of the Trustees who are not "interested
persons" of the Fund within the meaning of the Investment Company Act. The
principal purpose of the Audit Committee is to review the scope of the annual
audit conducted by the Fund's independent auditors and the evaluation by such
auditors of the accounting procedures followed by the Fund. The non-interested
Trustees have retained independent legal counsel to assist them in connection
with these duties. The Board of Trustees does not have a nominating committee.
 
    During the fiscal year ended October 31, 1994, the Board of Trustees held
four meetings and the Audit Committee held four meetings. All of the Trustees
attended at least 75% of the aggregate of the total number of meetings of the
Board of Trustees and the total number of meetings held by all committees of the
Board on which he served during such period.
 
    Compliance with Section 16(a) of the Securities Exchange Act of
1934. Section 16(a) of the Securities Exchange Act of 1934, as amended (the
"Exchange Act"), requires the Fund's officers, trustees and persons who own more
than ten percent of a registered class of the Fund's equity securities, to file
reports of ownership and changes in ownership on Forms 3, 4 and 5 with the
Securities and Exchange Commission ("SEC") and the New York Stock Exchange.
Officers, trustees and greater than ten percent shareholders are required by SEC
regulations to furnish the Fund with copies of all Forms 3, 4 and 5 they file.
 
    Based solely on the Fund's review of the copies of such forms, and
amendments thereto, furnished to it during or with respect to its most recent
fiscal year, and written representations from certain reporting persons that
they were not required to file Form 5 with respect to the most recent fiscal
year, the Fund believes that all of its officers, trustees, greater than ten
percent beneficial owners and other persons subject to Section 16 of the
Exchange Act because of the requirements of Section 30 of the Investment Company
Act (i.e., any advisory board member, investment adviser or affiliated person of
the Fund's investment adviser), have complied with all filing requirements
applicable to them with respect to transactions during the Fund's most recent
fiscal year except that Robert D. Sneeden inadvertently failed to make a timely
Form 3 filing to report his appointment as portfolio manager of the Fund,
and Elizabeth Griffin inadvertently failed to make a timely Form 3 filing to
report her election as a Senior Vice President of FAM.
 
    Interested Persons. The Fund considers Mr. Zeikel to be an "interested
person" of the Fund within the meaning of Section 2(a)(19) of the Investment
Company Act because of the positions he holds with FAM and its affiliates. Mr.
Zeikel is the President of the Fund and the President of FAM and MLAM.
 
    Compensation of Trustees and Officers. FAM, the Fund's investment adviser,
pays all compensation of all officers of the Fund and all Trustees of the Fund
who are affiliated with ML&Co. or its subsidiaries. The Fund pays each Trustee
not affiliated with the investment adviser a fee of $2,500 per
 
                                       4

year plus $250 per regular meeting attended, together with such Trustee's actual
out-of-pocket expenses relating to attendance at meetings. The Fund also pays
each member of its Audit Committee a fee of $500 per year plus $125 per meeting
attended, together with such Trustee's out-of-pocket expenses relating to
attendance at meetings. These fees and expenses aggregated $22,415 for the
fiscal year ended October 31, 1994.
 
    The following table sets forth for the fiscal year ended October 31, 1994
compensation paid by the Fund to the non-affiliated Trustees and, for the
calendar year ended December 31, 1994, the aggregate compensation paid by all
investment companies advised by FAM and its affiliate, MLAM ("FAM/MLAM Advised
Funds") to the non-affiliated Trustees.
 

                                 AGGREGATE        PENSION OR RETIREMENT          TOTAL COMPENSATION FROM
                                COMPENSATION     BENEFITS ACCRUED AS PART           FUND AND FAM/MLAM
   NAME OF TRUSTEE               FROM FUND           OF FUND EXPENSES         ADVISED FUNDS PAID TO TRUSTEES
- -----------------------------   ------------     ------------------------     ------------------------------
                                                                     
Donald Cecil(1)                    $4,500                  None                          $276,350
M. Colyer Crum(1)                  $4,500                  None                          $126,600
Edward H. Meyer(1)                 $4,500                  None                          $251,600
Jack B. Sunderland(1)              $4,500                  None                          $134,600
J. Thomas Touchton(1)              $4,500                  None                          $134,600

 
- ------------
(1) The Trustees serve on the Boards of other FAM/MLAM Advised Funds as follows:
    Mr. Cecil (34 boards), Mr. Crum (17 boards), Mr. Meyer (34 boards), Mr.
    Sunderland (18 boards) and Mr. Touchton (18 boards).
 
    Officers of the Fund. The Board of Trustees has elected seven officers of
the Fund. The following sets forth information concerning each of these
officers:
 

                                                                                          OFFICER
    NAME AND PRINCIPAL OCCUPATION                                  OFFICE          AGE     SINCE
- -------------------------------------------------------------   ----------------   ---    -------
                                                                                 
 
Arthur Zeikel................................................   President          62       1992
  President of FAM since 1977; President of MLAM since 1977;
  President and Director of Princeton Services since 1993;
  Executive Vice President of Merrill Lynch since 1990 and
  Senior Vice President from 1985 to 1990; Executive Vice
  President of ML&Co. since 1990; Director of Merrill Lynch
  Funds Distributor, Inc. ("MLFD").
 
Terry K. Glenn...............................................   Executive Vice     54       1992
  Executive Vice President of FAM and MLAM since 1983;            President
  Executive Vice President and Director of Princeton Services
  since 1993; President of MLFD since 1986 and Director since
  1991; President of Princeton Administrators, L.P. since
  1988.
 
Vincent R. Giordano..........................................   Vice President     50       1992
  Senior Vice President of FAM and MLAM since 1984 and Vice
  President of MLAM from 1980 to 1984; Portfolio Manager of
  FAM and MLAM since 1977; Senior Vice President of Princeton
  Services since 1993.
 
Kenneth A. Jacob.............................................   Vice President     45       1992
  Vice President of FAM and MLAM since 1984; employed by MLAM
  since 1978.
 
Donald C. Burke..............................................   Vice President     34       1993
  Vice President and Director of Taxation of MLAM since 1990;
  Employee of Deloitte & Touche LLP from 1982 to 1990.

 
                                       5


                                                                                          OFFICER
    NAME AND PRINCIPAL OCCUPATION                                  OFFICE          AGE     SINCE
- -------------------------------------------------------------   ----------------   ---    -------
                                                                                 
Gerald M. Richard............................................   Treasurer          45       1992
  Senior Vice President and Treasurer of FAM and MLAM since
  1984; Senior Vice President and Treasurer of Princeton
  Services since 1993; Treasurer of MLFD since 1984 and Vice
  President since 1981.
 
Mark B. Goldfus..............................................   Secretary          48       1992
  Vice President of FAM and MLAM since 1985.

 
    Share Ownership. At March 17, 1995, the Trustees and officers of the Fund as
a group (12 persons) owned an aggregate of less than 1% of the Common Shares of
the Fund outstanding at such date and owned none of the AMPS outstanding at such
date. At such date, Mr. Zeikel, a Trustee and officer of the Fund, and the other
officers of the Fund owned an aggregate of less than 1% of the outstanding
shares of common stock of ML&Co.
 
                   ITEM 2. SELECTION OF INDEPENDENT AUDITORS
 
    The Board of Trustees of the Fund, including a majority of the Trustees who
are not interested persons of the Fund, has selected the firm of Deloitte &
Touche LLP ("D&T"), Independent Auditors, to examine the financial statements of
the Fund for the current fiscal year. The Fund knows of no direct or indirect
financial interest of D&T in the Fund. Such appointment is subject to
ratification or rejection by the shareholders of the Fund. Unless a contrary
specification is made, the accompanying proxy will be voted in favor of
ratifying the selection of such auditors.
 
    D&T also acts as independent auditors for ML&Co. and all of its subsidiaries
and for most other investment companies for which FAM or MLAM acts as investment
adviser. The fees received by D&T from these other entities are substantially
greater, in the aggregate, than the total fees received by it from the Fund. The
Board of Trustees of the Fund considered the fact that D&T has been retained as
the independent auditors for ML&Co. and the other entities described above, in
its evaluation of the independence of D&T with respect to the Fund.
 
    Representatives of D&T are expected to be present at the Meeting and will
have the opportunity to make a statement if they so desire and to respond to
questions from shareholders.
 
                             ADDITIONAL INFORMATION
 
    The expenses of preparation, printing and mailing of the enclosed form of
proxy and accompanying Notice and Proxy Statement will be borne by the Fund. The
Fund will reimburse banks, brokers and others for their reasonable expenses in
forwarding proxy solicitation material to the beneficial owners of the shares of
the Fund. The Fund may also hire proxy solicitors at the expense of the Fund.
 
    In order to obtain the necessary quorum at the Meeting (i.e., a majority of
the shares of each class of the Fund's securities entitled to vote at the
Meeting, present in person or by proxy), supplementary solicitation may be made
by mail, telephone, telegraph or personal interview by officers of the Fund. It
is anticipated that the cost of such supplementary solicitation, if any, will be
nominal.
 
    All shares represented by properly executed proxies, unless such proxies
have previously been revoked, will be voted at the Meeting in accordance with
the directions on the proxies; if no direction is
 
                                       6

indicated, the shares will be voted "FOR" the Trustee nominees and "FOR" the
ratification of D&T as independent auditors.
 
    The Trustees are to be elected by class vote, two Trustees being elected by
the holders of AMPS and the remaining Trustees by the holders of AMPS and Common
Shares, voting together as a single class. At a meeting at which a quorum is
duly constituted, (i) the affirmative vote of a majority of the AMPS represented
in person or by proxy, voting separately as a class, is required for the
election of the two (2) persons designated as Trustees to be elected by the
holders of AMPS; (ii) the affirmative vote of a majority of the AMPS and the
Common Shares represented in person or by proxy, voting together as a single
class, is required for the election of the remaining Trustees (Item 1); and
(iii) the proposal to ratify the selection of the Fund's independent auditors
(Item 2) may be approved by the affirmative vote of a majority of the Common
Shares and the AMPS represented in person or by proxy, voting together as a
single class.
 
    Broker-dealer firms, including Merrill Lynch, holding Fund shares in "street
name" for the benefit of their customers and clients will request the
instructions of such customers and clients on how to vote their shares on each
Item before the Meeting. The Fund understands that, under the rules of the New
York Stock Exchange, such broker-dealer firms may, without instructions from
their customers and clients, grant authority to the proxies designated to vote
on the election of Trustees (Item 1) and ratification of the selection of
independent auditors (Item 2) if no instructions have been received prior to the
date specified in the broker-dealer firm's request for voting instructions. The
Fund will include shares held of record by broker-dealers as to which such
authority has been granted in its tabulation of the total number of votes
present for purposes of determining whether the necessary quorum of shareholders
exists. Proxies which are returned but which are marked "abstain" or on which a
broker-dealer has declined to vote on any proposal ("broker non-votes") will be
counted as present for purposes of quorum. Merrill Lynch has advised the Fund
that it intends to exercise discretion over the shares held in its name for
which no instructions have been received by voting such shares in the same
proportion as it has voted shares for which it has received instructions.
Abstentions and broker non-votes will not be counted as votes cast and therefore
will have the same effect as a vote against on Item 1 and Item 2.
 
ADDRESS OF INVESTMENT ADVISER
 
    The principal office of FAM is located at 800 Scudders Mill Road,
Plainsboro, New Jersey 08536.
 
ANNUAL REPORT DELIVERY
 
    The Fund will furnish, without charge, a copy of its annual report for the
fiscal year ended October 31, 1994 to any stockholder upon request. Such
requests should be directed to MuniYield Florida Insured Fund, P.O. Box 9011,
Princeton, New Jersey 08543-9011, Attention: Mark B. Goldfus, or to
1-800-MERRILL ext. 9368 (1-800-637-7455 ext. 9368).

 
                                       7

SHAREHOLDER PROPOSALS
 
    If a shareholder intends to present a proposal at the 1996 Annual Meeting of
Shareholders of the Fund, which is anticipated to be held in May 1996, and
desires to have the proposal included in the Fund's proxy statement and form of
proxy for that meeting, the shareholder must deliver the proposal to the offices
of the Fund by December 6, 1995.
 
                                          By Order of the Board of Trustees
 
                                          MARK B. GOLDFUS
                                          Secretary
 
Dated: April 3, 1995
 
                                       8



          
                                                                                                     AUCTION MARKET
                                                                                                    PREFERRED SHARES

                                             MUNIYIELD FLORIDA INSURED FUND
                                                      P.O. Box 9011
                                            Princeton, New Jersey 08543-9011

                                                        P R O X Y

                              This proxy is solicited on behalf of the Board of Trustees 

               The undersigned hereby appoints Arthur Zeikel, Terry K. Glenn and Mark B. Goldfus as proxies,
             each with the power to appoint his substitute, and hereby authorizes them to represent and to
             vote, as designated on the reverse hereof, all the Auction Market Preferred Shares of MuniYield
             Florida Insured Fund (the "Fund") held of record by the undersigned on March 17, 1995 at the
             annual meeting of shareholders of the Fund to be held on May 12, 1995 or any adjournment thereof.

               This proxy when properly executed will be voted in the manner directed herein by the undersigned
             shareholder. If no direction is made, this proxy will be voted for Proposals 1 and 2.

                                   (Continued and to be signed on the reverse side)




Please mark boxes / / or /X/ in blue or black ink.

                                                                            
1. ELECTION OF DIRECTORS         FOR all nominees listed below                      WITHHOLD AUTHORITY
                                 (except as marked to the contrary below) / /       to vote for all nominees listed below / /

   (INSTRUCTION: To withhold authority to vote for any individual nominee,
   strike a line through the nominee's name in the list below.)
   Donald  Cecil, M. Colyer Crum, Edward H. Meyer, Jack B. Sunderland,
   J. Thomas Touchton, and Arthur Zeikel

2. Proposal to ratify the selection of Deloitte & Touche LLP as the independent
   auditors of the Fund to serve for the current fiscal year.
   FOR / /    AGAINST / /     ABSTAIN / /

3. In the discretion of such proxies, upon such other business as may properly
   come before the meeting or any adjournment thereof.



                                                                        Please sign exactly as name appears hereon. When
                                                                        shares are held by joint tenants, both should sign.
                                                                        When signing as attorney or as executor, administrator,
                                                                        trustee or guardian, please give full title as such.
                                                                        If a corporation, please sign in full corporate name
                                                                        by president or other authorized officer. If a
                                                                        partnership, please sign in partnership name by
                                                                        authorized persons.

                                                                        Dated:___________________________________________, 1995


                                                                        X______________________________________________________
                                                                         Signature

                                                                        X______________________________________________________
                                                                         Signature, if held jointly


Sign, Date and Return the Proxy Card Promptly Using the Enclosed
Envelope.




          
                                                                                                    COMMON SHARES
                                             MUNIYIELD FLORIDA INSURED FUND
                                                      P.O. Box 9011
                                            Princeton, New Jersey 08543-9011

                                                     P R O X Y

                              This proxy is solicited on behalf of the Board of Trustees

               The undersigned hereby appoints Arthur Zeikel, Terry K. Glenn and Mark B. Goldfus as proxies,
             each with the power to appoint his substitute, and hereby authorizes them to represent and to
             vote, as designated on the reverse hereof, all the Common Shares of MuniYield Florida Insured
             Fund (the "Fund") held of record by the undersigned on March 17, 1995 at the annual meeting of
             shareholders of the Fund to be held on May 12, 1995 or any adjournment thereof.

               This proxy when properly executed will be voted in the manner directed herein by the undersigned
             shareholder. If no direction is made, this proxy will be voted for Proposals 1 and 2.

                                   (Continued and to be signed on the reverse side)




Please mark boxes / / or /X/ in blue or black ink.

                                                                            
1. ELECTION OF DIRECTORS         FOR all nominees listed below                      WITHHOLD AUTHORITY
                                 (except as marked to the contrary below) / /       to vote for all nominees listed below / /

   (INSTRUCTION: To withhold authority to vote for any individual nominee,
   strike a line through the nominee's name in the list below.)
   Edward H. Meyer, Jack B. Sunderland, J. Thomas Touchton, and Arthur Zeikel

2. Proposal to ratify the selection of Deloitte & Touche LLP as the independent
   auditors of the Fund to serve for the current fiscal year.
   FOR / /    AGAINST / /     ABSTAIN / /

3. In the discretion of such proxies, upon such other business as may properly
   come before the meeting or any adjournment thereof.



                                                                        Please sign exactly as name appears hereon. When
                                                                        shares are held by joint tenants, both should sign.
                                                                        When signing as attorney or as executor, administrator,
                                                                        trustee or guardian, please give full title as such.
                                                                        If a corporation, please sign in full corporate name
                                                                        by president or other authorized officer. If a
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                                                                        Dated:___________________________________________, 1995


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