Exhibit 31.2
CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL FINANCIAL OFFICER
PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Mark D. Gordon, certify that:
| 1. | I have reviewed this Amendment No. 1 to Annual Report on Form 10-K of Odyssey Marine Exploration, Inc. for the year ended December 31, 2025; and |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
Date: June 30, 2026
| /s/ Mark D. Gordon |
| Mark D. Gordon, Chief Executive Officer |
| As Principal Executive Officer and Principal Financial Officer |