<ARTICLE>                          5
<LEGEND>
This schedule contains summary financial information extracted from the
financial statements of Realmark Property Investors Limited Partnership IV for
the six months ended June 30, 1998, and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<MULTIPLIER>                       1
       
                                
<PERIOD-TYPE>                            6-MOS
<FISCAL-YEAR-END>                  DEC-31-1998
<PERIOD-START>                     JAN-01-1998
<PERIOD-END>                       JUN-30-1998
<CASH>                                       0
<SECURITIES>                                 0
<RECEIVABLES>                            9,275
<ALLOWANCES>                                 0
<INVENTORY>                                  0
<CURRENT-ASSETS>                       823,999
<PP&E>                              19,510,267
<DEPRECIATION>                       8,816,198
<TOTAL-ASSETS>                      11,808,447
<CURRENT-LIABILITIES>                3,577,963
<BONDS>                             10,761,418
<COMMON>                                     0
<PREFERRED-MANDATORY>                        0
<PREFERRED>                                  0
<OTHER-SE>                                   0
<TOTAL-LIABILITY-AND-EQUITY>        11,808,447
<SALES>                                      0
<TOTAL-REVENUES>                     1,523,182
<CGS>                                        0
<TOTAL-COSTS>                        2,963,827
<OTHER-EXPENSES>                             0
<LOSS-PROVISION>                             0
<INTEREST-EXPENSE>                     772,420
<INCOME-PRETAX>                     (1,440,645)
<INCOME-TAX>                                 0
<INCOME-CONTINUING>                          0
<DISCONTINUED>                               0
<EXTRAORDINARY>                      3,559,333
<CHANGES>                                    0
<NET-INCOME>                         2,118,688
<EPS-PRIMARY>                            87.95
<EPS-DILUTED>                                0