Exhibit 5.1

                 Opinion of Akerman, Senterfitt & Eidson, P.A.
      regarding the legality of the Class A common stock being registered

                                 November 2, 2000

SBA Communications Corporation
One Town Center Road
Third Floor
Boca Raton, Florida 33486

Ladies and Gentlemen:

   We have acted as counsel to SBA Communications Corporation, a Florida
corporation (the "Company"), in connection with the preparation and filing with
the Securities and Exchange Commission of a Registration Statement on Form S-4
(the "Registration Statement"), under the Securities Act of 1933, as amended
(the "Securities Act"), relating to the offering by the Company of up to an
aggregate of 2,000,000 shares (the "Shares") of the Company's Class A common
stock, $.01 par value per share, which may be issued from time to time.

   In so acting, we have examined originals, or copies certified or otherwise
identified to our satisfaction, of such documents, records, certificates and
other instruments of the Company as in our judgment are necessary or
appropriate for purposes of this opinion. We have assumed that the issuance of
the Shares will have been duly authorized and certificates evidencing the
Shares have been duly executed and delivered, against receipt of the
consideration approved by the Board of Directors of the Company or a committee
thereof which will be not less than the par value thereof.

   Based upon the foregoing examination, we are of the opinion that the Shares,
when and to the extent issued and sold by the Company, will be duly authorized,
validly issued, fully paid and non-assessable.

                                        Sincerely,

                                        /s/ Akerman, Senterfitt & Eidson, P.A.