**BankAtlantic Bancorp, Inc.**Exhibit 31.1     I, Alan B. Levan, certify that: 1. I have reviewed this quarterly report on Form 10-Q ofBankAtlantic Bancorp, Inc.;  2. Based on my knowledge, this quarterly report does not contain anyuntrue statement of a material fact or omit to state a material fact necessaryto make the statements made, in light of the circumstances under which suchstatements were made, not misleading with respect to the period covered by thisquarterly report;  3. Based on my knowledge, the financial statements, and otherfinancial information included in this quarterly report, fairly present in allmaterial respects the financial condition, results of operations and cash flowsof the registrant as of, and for, the periods presented in this quarterlyreport;  4. The registrant’s other certifying officer and I are responsiblefor establishing and maintaining disclosure controls and procedures (as definedin Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control overfinancial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))for the registrant and have: a. designed such disclosure controls and procedures,or caused such disclosure controls and procedures to be designed underour supervision, to ensure that material information relating to theregistrant, including its consolidated subsidiaries, is made known to usby others within those entities, particularly during the period in whichthis quarterly report is being prepared;  b. designed such internal control over financialreporting, or caused such internal control over financial reporting to bedesigned under our supervision, to provide reasonable assurance regardingthe reliability of financial reporting and the preparation of financialstatements for external purposes in accordance with generally acceptedaccounting principles;  c. evaluated the effectiveness of the registrant’sdisclosure controls and procedures and presented in this quarterly reportour conclusions about the effectiveness of the disclosure controls andprocedures, as of the end of the period covered by this quarterly reportbased on such evaluation;  d. disclosed in this quarterly report any change inthe registrant’s internal control over financial reporting that occurredduring the registrant’s most recent fiscal quarter that has materiallyaffected, or is reasonably likely to materially affect, the registrant’sinternal control over financial reporting; and 5. The registrant’s other certifying officer and I have disclosed,based on our most recent evaluation of internal control over financialreporting, to the registrant’s auditors and the audit committee of registrant’sboard of directors (or persons performing the equivalent functions): a. all significant deficiencies and materialweaknesses in the design or operation of internal control over financialreporting which are reasonably likely to adversely affect theregistrant’s ability to record, process, summarize and report financialinformation; and  b. any fraud, whether or not material, that involvesmanagement or other employees who have a significant role in theregistrant’s internal control over financial reporting.Date: August 9, 2005     By: /s/ Alan B. Levan     Alan B. Levan,    Chief Executive Officer