Exhibit 31.1

**302 CERTIFICATION**

I, Paul B. Gridley, Chairman and Chief Executive Officer of US Shipping GeneralPartner LLC, the general partner of U.S. Shipping Partners L.P., certifythat:

|   | 1.     | I have reviewed this annual report on Form 10-K/A of U.S. Shipping PartnersL.P.;                                                                                                                                                                                                                                                      |
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|   | 2.     | Based on my knowledge, this report does not contain any untrue statement of amaterial fact or omit to state a material fact necessary to make the statementsmade, in light of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report;                               |
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|   | 3.     | Based on my knowledge, the financial statements, and other financial informationincluded in this report, fairly present in all material respects the financialcondition, results of operations and cash flows of the registrant as of, andfor, the periods presented in this report;                                                  |
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|   | 4.     | The registrant’s other certifying officer and I are responsible forestablishing and maintaining disclosure controls and procedures (as defined inExchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financialreporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for theregistrant and have: |
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|   |   | (a)                                                                                                                                                                                                                                                                                                                                   | Designed such disclosure controls and procedures, or caused such disclosurecontrols and procedures to be designed under our supervision, to ensure thatmaterial information relating to the registrant, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this report is being prepared; |
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|   |   | (b)                                                                                                                                                                                                                                                                                                                                   | Designed such internal control over financial reporting, or caused such internalcontrol over financial reporting to be designed under our supervision, toprovide reasonable assurance regarding the reliability of financial reportingand the preparation of financial statements for external purposes in accordancewith generally accepted accounting principles; |
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|   |   | (c)                                                                                                                                                                                                                                                                                                                                   | Evaluated the effectiveness of the registrant’s disclosure controls andprocedures and presented in this report our conclusions about the effectivenessof the disclosure controls and procedures, as of the end of the period coveredby this report based on such evaluation; and |
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|   |   | (d)                                                                                                                                                                                                                                                                                                                                   | Disclosed in this report any change in the registrant’s internal controlover financial reporting that occurred during the registrant’s fourthfiscal quarter that has materially affected, or is reasonably likely tomaterially affect, the registrant’s internal control over financialreporting; and |
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|   | 5.     | The registrant’s other certifying officer and I have disclosed, based onour most recent evaluation of internal control over financial reporting, to theregistrant’s auditors and the audit committee of the registrant’sboard of directors:                                                                            |
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|   |   | (a)                                                                                                                                                                                                                                                                                                                                   | All significant deficiencies and material weaknesses in the design or operationof internal control over financial reporting which are reasonably likely toadversely affect the registrant’s ability to record, process, summarize andreport financial information; and |
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|   |   | (b)                                                                                                                                                                                                                                                                                                                                   | Any fraud, whether or not material, that involves management or other employeeswho have a significant role in the registrant’s internal control overfinancial reporting. |

Date:  April 30, 2007

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|   | /s/ Paul B.   Gridley               |
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|   | Paul B. Gridley                     |
|   | Chairman, Chief Executive   Officer |