v3.25.1
Document and Entity Information - shares
 12 Months Ended
Dec. 31, 2024
May 06, 2025
Document Information [Line Items]    
Document Type 20-F  
Document Annual Report true  
Document Transition Report false  
Document Shell Company Report false  
Amendment Flag false  
Document Period End Date Dec. 31, 2024  
Document Fiscal Year Focus 2024  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer No  
Entity Registrant Name Heidmar Maritime Holdings Corp.  
Entity Incorporation, State or Country Code 1T  
Document Registration Statement false  
Entity Central Index Key 0002029471  
Entity File Number 001-42534  
Document Financial Statement Error Correction [Flag] false  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Interactive Data Current Yes  
Entity Address, Address Line One 89 Akti Miaouli  
Entity Address, City or Town Piraeus  
Entity Address, Country GR  
Entity Address, Postal Zip Code 18538  
Title of 12(b) Security Common shares, par value $0.001 per share  
Trading Symbol HMR  
Entity Current Reporting Status Yes  
Document Accounting Standard U.S. GAAP  
Security Exchange Name NASDAQ  
Entity Voluntary Filers No  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
ICFR Auditor Attestation Flag false  
Document Fiscal Period Focus FY  
Entity Common Stock, Shares Outstanding   100
Transition Report false  
Auditor Firm ID 1163  
Auditor Location Athens, Greece  
Auditor Name Deloitte Certified Public Accountants S.A.  
Auditor Opinion [Text Block]

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheet of Heidmar Maritime Holdings Corp. (the "Company") as of December 31, 2024, the related consolidated statements of operations, shareholder’s equity, and cash flows, for the period from May 7, 2024 (inception date) to December 31, 2024, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2024, and the results of its operations and its cash flows for the period from May 7, 2024 (inception date) to December 31, 2024, in conformity with accounting principles generally accepted in the United States of America.

  
Business Contact [Member]    
Document Information [Line Items]    
Contact Personnel Name Pankaj Khanna  
Entity Address, Address Line One 89 Akti Miaouli  
Entity Address, City or Town Piraeus  
Entity Address, Country GR  
Entity Address, Postal Zip Code 18538  
City Area Code 30  
Local Phone Number 216-002-4900  
Contact Personnel Email Address ir@heidmar.com