Exhibit31.1

CERTIFICTION OF PRINCPAL EXECUTIVEOFFICER

I Richard D.Goldstein, Chairman of the Board and Chief Executive Officer, certifythat:

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| 1.  | I have reviewed thisQuarterly Report on Form 10-QSB of Courtside AcquisitionCorp.; |

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| 2.  | Based on myknowledge, this quarterly report does not contain any untrue statementof a material fact or omit to state a material fact necessary to makethe statements made, in light of the circumstances under which suchstatements were made, not misleading with respect to the period coveredby this report; |

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| 3.  | Based on myknowledge, the financial statements, and other financial informationincluded in this report, fairly present in all material respects thefinancial conditions, results of operations and cash flows of the smallbusiness issuer as of, and for, the periods presented in thisreport. |

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| 4.  | The small businessissuer's other certifying officer(s) and I are responsible forestablishing and maintaining disclosure controls and procedures (asdefined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internalcontrol over financial reporting (as defined in Exchange Act Rules13a-15(f) and 15d-15(f)) for the small business issuer andhave: |

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|  | a)  | Designed suchdisclosure controls and procedures, or caused such disclosure controlsand procedures to be designed under our supervision, to ensure thatmaterial information relating to the small business issuer, includingits consolidated subsidiaries, is made known to us by others withinthose entities, particularly during the period in which this report isbeingprepared; |

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|  | b)  | Designedsuch internal control over financial reporting, or caused such internalcontrol over financial reporting to be designed under our supervision,to provide reasonable assurance regarding the reliability of financialreporting and the preparation of financial statements for externalpurposes in accordance with generally accepted accountingprinciples |

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|  | c)  | Evaluatedthe effectiveness of the small business issuer's disclosurecontrols and procedures and presented in this report our conclusionsabout the effectiveness of the disclosure controls and procedures, asof the end of the period covered by this report based on suchevaluation;and |

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|  | d)  | Disclosed inthis report any change in the small business issuer's internalcontrol over financial reporting that occurred during the smallbusiness issuer's most recent fiscal quarter (the small businessissuer's fourth fiscal quarter in the case of an annual report)that has materially affected, or is reasonably likely to materiallyaffect, the small business issuer's internal control overfinancial reporting; and |

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| 5.  | Thesmall business issuer's other certifying officer(s) and I havedisclosed, based on our most recent evaluation of internal control overfinancial reporting, to the small business issuer's auditors andthe audit committee of the small business issuer's board ofdirectors (or persons performing the equivalentfunctions): |

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|  | a)  | Allsignificant deficiencies and material weaknesses in the design oroperation of internal control over financial reporting which arereasonably likely to adversely affect the small business issuer'sability to record, process, summarize and report financial information;and |

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|  | b)  | Anyfraud, whether or not material, that involves management or otheremployees who have a significant role in the small businessissuer's internal control over financial reporting. |

/s/ Richard D. Goldstein                                                                                    Dated:August 15, 2005       Richard D. Goldstein      Chairman of the Board and Chief ExecutiveOfficer       (Principal ExecutiveOfficer)

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