<ARTICLE>                     5
<LEGEND>
This schedule contains summary financial information extracted from the
financial statements of Realmark Property Investors Limited Partnership IV
for the year ended December 31, 1997, and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<MULTIPLIER>                                   1
<CURRENCY>                                     U.S. Dollars
       
                                
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                              Dec-31-1997
<PERIOD-START>                                 Jan-01-1997
<PERIOD-END>                                   Dec-31-1997
<EXCHANGE-RATE>                                1.000
<CASH>                                         0
<SECURITIES>                                   0
<RECEIVABLES>                                  5,829
<ALLOWANCES>                                   0
<INVENTORY>                                    0
<CURRENT-ASSETS>                               1,077,557
<PP&E>                                         31,744,471
<DEPRECIATION>                                 13,950,395
<TOTAL-ASSETS>                                 19,088,820
<CURRENT-LIABILITIES>                          5,964,327
<BONDS>                                        17,740,913
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       0
<OTHER-SE>                                     0
<TOTAL-LIABILITY-AND-EQUITY>                   19,088,920
<SALES>                                        0
<TOTAL-REVENUES>                               5,177,463
<CGS>                                          0
<TOTAL-COSTS>                                  6,708,412
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             1,842,672
<INCOME-PRETAX>                                (1,530,949)
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                            0
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                150,771
<CHANGES>                                      0
<NET-INCOME>                                   (1,380,178)
<EPS-PRIMARY>                                  (57.29)
<EPS-DILUTED>                                  0