Deloitte Certified Public Accountants S.A.

3a Fragoklisias &

Granikou str.

Marousi Athens GR 151-25

Greece

Tel: +30 210 6781 100

Fax: +30 210 6776 221-2

www.deloitte.gr

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form F-3 of our report dated January 31, 2019, relating to the consolidated financial statements of Castor Maritime Inc. appearing in the Annual Report on Form 20-F of Castor Maritime Inc. for the year ended September 30, 2018, and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement.

/s/ Deloitte Certified Public Accountants S.A.

Athens, Greece

June 10, 2019

Deloitte Certified Public Accountants S.A. is a member of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee (“DTTL”). DTTL and each of its member firms are legally separate and independent entities. DTTL (also referred to as “Deloitte Global”) does not provide services to clients. Please see www.deloitte.com/about to learn more about our global network of member firms.

Co.Reg. No: 001223601000