<ARTICLE>                            5
<LEGEND>
This schedule contains summary financial information extracted from the
financial statements of Realmark Property Investors Limited Partnership IV for
the three months ended March 31, 1999, and is qualified in its entirety by
reference to such financial statements.
</LEGEND>

                                                          
<PERIOD-TYPE>                                                      3-MOS
<FISCAL-YEAR-END>                                            DEC-31-1999
<PERIOD-START>                                                JAN-1-1999
<PERIOD-END>                                                 MAR-31-1999
<CASH>                                                            34,507
<SECURITIES>                                                           0
<RECEIVABLES>                                                    949,734
<ALLOWANCES>                                                     949,734
<INVENTORY>                                                            0
<CURRENT-ASSETS>                                                 454,034
<PP&E>                                                        13,249,196
<DEPRECIATION>                                                 5,598,075
<TOTAL-ASSETS>                                                 8,285,029
<CURRENT-LIABILITIES>                                          3,843,164
<BONDS>                                                        7,382,183
<COMMON>                                                               0
<PREFERRED-MANDATORY>                                                  0
<PREFERRED>                                                            0
<OTHER-SE>                                                             0
<TOTAL-LIABILITY-AND-EQUITY>                                   8,285,029
<SALES>                                                                0
<TOTAL-REVENUES>                                                 477,806
<CGS>                                                                  0
<TOTAL-COSTS>                                                    727,364
<OTHER-EXPENSES>                                                       0
<LOSS-PROVISION>                                                       0
<INTEREST-EXPENSE>                                               224,685
<INCOME-PRETAX>                                                 (249,558)
<INCOME-TAX>                                                           0
<INCOME-CONTINUING>                                                    0
<DISCONTINUED>                                                         0
<EXTRAORDINARY>                                                        0
<CHANGES>                                                              0
<NET-INCOME>                                                    (249,558)
<EPS-BASIC>                                                     (10.36)
<EPS-DILUTED>                                                          0