EX-23 4 mpx-20251231xex23.htm EX-23

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Exhibit 23

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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

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We have issued our reports dated February 27, 2026, with respect to the consolidated financial statements and internal control over financial reporting included in the Annual Report of Marine Products Corporation on Form 10-K for the year ended December 31, 2025. We consent to the incorporation by reference of said reports in the Registration Statements of Marine Products Corporation on Form S-3 (File No. 333-286707) and Forms S-8 (File No. 333-195425 & 333-278879).

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/s/ GRANT THORNTON LLP

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Atlanta, Georgia

February 27, 2026