United States securities and exchange commission logo June 12, 2020 Petros Panagiotidis Chairman, Chief Executive Officer, and Chief Financial Officer Castor Maritime Inc. 223 Christodoulou Chatzipavlou Street Hawaii Royal Gardens 3036 Limassol, Cyprus Re: Castor Maritime Inc. Registration Statement on Form F-1 Filed June 5, 2020 File No. 333-238990 Dear Mr. Panagiotidis: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Irene Barberena-Meissner, Staff Attorney, at 202-551-6548 with any questions. Sincerely, Division of Corporation Finance Office of Energy & Transportation cc: Edward Horton, Esq.