<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SBA
COMMUNICATIONS 10-Q 9/30/99 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENT.
</LEGEND>

                                                  
<PERIOD-TYPE>                   9-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1999
<PERIOD-START>                             JAN-01-1998             JAN-01-1999
<PERIOD-END>                               SEP-30-1998             SEP-30-1999
<CASH>                                      26,743,270               2,704,694
<SECURITIES>                                         0                       0
<RECEIVABLES>                               12,949,245              21,317,934
<ALLOWANCES>                                 (436,671)               (720,298)
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                            45,835,949              32,344,807
<PP&E>                                     157,456,629             302,932,266
<DEPRECIATION>                             (6,510,149)            (18,423,599)
<TOTAL-ASSETS>                             214,573,326             347,183,540
<CURRENT-LIABILITIES>                       37,752,642              40,666,208
<BONDS>                                    165,572,133             180,673,810
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                 35,558,333                       0
<COMMON>                                        89,559                 287,459
<OTHER-SE>                                     716,131              97,729,766
<TOTAL-LIABILITY-AND-EQUITY>               214,573,326             347,183,540
<SALES>                                     41,755,997              57,732,566
<TOTAL-REVENUES>                            41,755,997              57,732,566
<CGS>                                       31,053,830              38,715,118
<TOTAL-COSTS>                               31,053,830              38,715,118
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                          10,811,279              19,445,392
<INCOME-PRETAX>                           (12,666,675)            (24,330,042)
<INCOME-TAX>                                         0                 403,003
<INCOME-CONTINUING>                       (12,666,675)            (23,927,039)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0             (1,149,954)
<CHANGES>                                            0                       0
<NET-INCOME>                              (12,666,675)            (25,076,993)
<EPS-BASIC>                                     (1.73)                  (1.49)
<EPS-DILUTED>                                   (1.73)                  (1.49)