Filing Details

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.________)* Castor Maritime Inc. (Name of Issuer) Common Stock (Title of Class of Securities) Y1146L109 (CUSIP Number) July 13, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [_] Rule 13d-1(b) [X] Rule 13d-1(c) [_] Rule 13d-1(d) __________ *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be filed for the purpose of Section 18 of the Securities Exchange Act of 1934 (Act) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). ? CUSIP No. Y1146L109

1. NAME OF REPORTING PERSONSSabby Volatility Warrant Master Fund, Ltd.2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [_] (b) [X] 3. SEC USE ONLY4. CITIZENSHIP OR PLACE OF ORGANIZATIONCayman IslandsNUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER06. SHARED VOTING POWER 7,800,0007. SOLE DISPOSITIVE POWER08. SHARED DISPOSITIVE POWER 7,800,0009. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,800,00010. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [_]11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)5.9512. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO? CUSIP No. Y1146L1091. NAME OF REPORTING PERSONSSabby Management, LLC2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [_] (b) [X] 3. SEC USE ONLY4. CITIZENSHIP OR PLACE OF ORGANIZATIONDelaware, USANUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER6. SHARED VOTING POWER 7,800,0007. SOLE DISPOSITIVE POWER08. SHARED DISPOSITIVE POWER 7,800,0009. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,800,00010. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [_]11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)5.9512. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) OO CUSIP No. Y1146L1091. NAME OF REPORTING PERSONSHal Mintz2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [_] (b) [X] 3. SEC USE ONLY4. CITIZENSHIP OR PLACE OF ORGANIZATIONUSANUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER06. SHARED VOTING POWER 7,800,0007. SOLE DISPOSITIVE POWER08. SHARED DISPOSITIVE POWER 7,800,0009. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,800,00010. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [_]11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) IN? CUSIP No. Y1146L109 Item 1. (a). Name of Issuer:Castor Maritime Inc. (b). Address of issuer's principal executive offices:223 Christodoulou Chatzipavlou Street Hawaii Royal Gardens, 3036 Limassol, Cyprus Item 2. (a). Name of person filing:Sabby Volatility Warrant Master Fund, Ltd. Sabby Management, LLC Hal Mintz(b). Address or principal business office or, if none, residence:Sabby Volatility Warrant Master Fund, Ltd. c/o Ogier Fiduciary Services (Cayman) Limited 89 Nexus Way, Camana Bay Grand Cayman KY1-9007 Cayman Islands Sabby Management, LLC 10 Mountainview Road, Suite 205 Upper Saddle River, New Jersey 07458 Hal Mintz c/o Sabby Management, LLC 10 Mountainview Road, Suite 205 Upper Saddle River, New Jersey 07458(c). Citizenship:Sabby Volatility Warrant Master Fund, Ltd. - Cayman Islands Sabby Management, LLC - Delaware, USA Hal Mintz - USA(d). Title of class of securities:Common stock (the Common Stock) (e). CUSIP No.:Item 4. Ownership. Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. (a) Amount beneficially owned: Sabby Volatility Warrant Master Fund, Ltd. - 7,800,000 Sabby Management, LLC - 7,800,000 Hal Mintz - 7,800,000 (b) Percent of class: Sabby Volatility Warrant Master Fund, Ltd. - 5.95% Sabby Management, LLC - 5.95% Hal Mintz - 5.95%(c) Number of shares as to which the person has: Sabby Volatility Warrant Master Fund, Ltd. (i) Sole power to vote or to direct the vote 0 ,(ii) Shared power to vote or to direct the vote 7,800,000 ,(iii) Sole power to dispose or to direct the disposition of 0 ,(iv) Shared power to dispose or to direct the disposition of 7,800,000 .Sabby Management, LLC (i) Sole power to vote or to direct the vote 0 , (ii) Shared power to vote or to direct the vote 7,800,000 , (iii) Sole power to dispose or to direct the disposition of 0 , (iv) Shared power to dispose or to direct the disposition of 7,800,000 . (ii) Shared power to vote or to direct the vote 7,800,000 , (iii) Sole power to dispose or to direct the disposition of 0 , (iv) Shared power to dispose or to direct the disposition of 7,800,000 .As calculated in accordance with Rule 13d-3 of the Securities Exchange Act of 1934, as amended, (i) Sabby Volatility Master Fund, Ltd. beneficially owns 7,800,000 shares of the Issuer's common stock (Common Stock), representing approximately 5.95% of the Common Stock,and (ii) Sabby Management, LLC and Hal Mintz each beneficially own 7,800,000 shares of the Common Stock, representing approximately 5.95% of the Common Stock. Sabby Management, LLC and Hal Mintz do not directly own any shares of Common Stock, but each indirectly owns 7,800,000 shares of Common Stock. Sabby Management, LLC, a Delaware limited liability company,indirectly owns 7,800,000 shares of Common Stock because it serves as the investment manager of Sabby Volatility Warrant Master Fund, Ltd., a Cayman Islands company. Mr. Mintz indirectly owns 7,800,000 shares of Common Stock in his capacity as manager of Sabby Management, LLC. Item 5. Ownership of Five Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ ].Not applicable Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.Not applicable Item 8. Identification and Classification of Members of the Group.Not applicable Item 9. Notice of Dissolution of Group.Not applicable ? Item 10. Certification.By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. ? SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. July 13, 2020 (Date)Sabby Volatility Warrant Master Fund, Ltd. By: /s/ Harry Thompson Name: Harry Thompson Title: Authorized Person of TDF Management Ltd., a Director Sabby Management, LLC* By: /s/ Robert Grundstein Name: Robert Grundstein Title: Chief Operating Officer/s/ Hal Mintz Hal Mintz