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                            September 8, 2022

       Petros Panagiotidis
       Chief Executive Officer
       Tankco Shipping Inc.
       223 Christodoulou Chatzipavlou Street
       Hawaii Royal Gardens
       3036 Limassol, Cyprus

                                                        Re: Tankco Shipping
Inc.
                                                            Draft Registration
Statement on Form 20-F
                                                            Submitted August
12, 2022
                                                            CIK No. 0001941131

       Dear Mr. Panagiotidis:

              We have reviewed your draft registration statement and have the
following comments. In
       some of our comments, we may ask you to provide us with information so
we may better
       understand your disclosure.

              Please respond to this letter by providing the requested
information and either submitting
       an amended draft registration statement or publicly filing your
registration statement on
       EDGAR. If you do not believe our comments apply to your facts and
circumstances or do not
       believe an amendment is appropriate, please tell us why in your
response.

             After reviewing the information you provide in response to these
comments and your
       amended draft registration statement or filed registration statement, we
may have additional
       comments.

       Draft Registration Statement on Form 20-F submitted August 12, 2022

       Explanatory Note, page vi

   1.                                                   We note your disclosure
about why the Series A Preferred Shares retained by RemainCo
                                                        were issued. Please
also disclose why you have structured the transaction to create the
                                                        Series B Preferred
Shares, and to issue such shares to Pelagos, a company controlled by
                                                        your and Castor
Martime's Chairman and CEO and CFO Petros Panagiotidis.
 Petros Panagiotidis
FirstName  LastNamePetros Panagiotidis
Tankco Shipping  Inc.
Comapany 8,
September  NameTankco
              2022      Shipping Inc.
September
Page 2     8, 2022 Page 2
FirstName LastName
Information on the Company
Management of our Business, page 36

2.       We note your disclosure of the various management services fees that
you and your
         subsidiaries pay Castor Ships. Please disclose the reasons such fees
differ from those that
         Castor Maritime pays to Castor Ships as disclosed in its Form 20-F for
the fiscal year
         ended December 31, 2021. For example, we note that the flat quarterly
management fee
         and a daily fee per vessel for the provision of ship management
services have increased
         from that disclosed in Castor Maritime's 20-F.
Major Shareholders, page 65

3.       We note that footnote 2 to the table discloses that Petros
Panagiotidis holds [   ] common
         shares and [   ] Series B Preferred Shares (representing all such
Series B Preferred Shares
         outstanding, each Series B Preferred Share having the voting power of
100,000 common
         shares). In this footnote or tabular disclosure please revise to
disclose the number of
         shares and the percentage of outstanding shares of each class owned by
Mr. Panagiotidis,
         and also disclose the total voting power of the securities owned by
Mr. Panagiotidis after
         completion of this spin off. See Item 7.A of Form 20-F.
Related Party Transactions
Contribution and Distribution Agreement, page 66

4.       We note your disclosure that the Contribution and Distribution
Agreement will also
         provide for the settlement or extinguishment of certain liabilities
and other obligations
         between you and Castor. Please expand your disclosure to identify the
material liabilities
         and obligations to be allocated pursuant to your Contribution and
Distribution
         Agreement.
Notes to Combined Carve-Out Financial Statements
1. Basis of Presentation and General Information, page F-7

5.       We note that long-term intercompany financing has been excluded from
the asset and
         liability balances in the combined carve-out balance sheet and instead
reported
         as net parent investment within equity. Since you have not shown an
interest charge on
         intercompany debt, please present an analysis of your transactions
with the Parent by
         providing a listing of the transactions, and, if applicable, average
balances due to/from
         your parent as required by SAB Topic 1:B:1 question 4.
6.       Upon finalization of spin off and distribution, please confirm that
you will include pro
         forma earnings per share giving effect to the spin off for the
required periods. In addition,
         disclose the impact of any new agreements or modified agreements and
any other
         transactions, as a result of the spin-off.
 Petros Panagiotidis
FirstName  LastNamePetros Panagiotidis
Tankco Shipping  Inc.
Comapany 8,
September  NameTankco
              2022      Shipping Inc.
September
Page 3     8, 2022 Page 3
FirstName LastName
General

7.       Please provide an analysis of whether the distribution of the Tankco
Shipping Inc. shares
         to the shareholders of Castor Maritime Inc. constitutes a sale under
Section 2(a)(3) of the
         Securities Act. We note your disclosure that Castor will contribute
the Tankco
         Subsidiaries, together with $20.0 million in cash, to you in exchange
for all of your issued
         and outstanding common shares, 40,000 Series A Preferred Shares, and
the issue of Series
         B Preferred Shares to Pelagos against payment of their nominal value.
As part of your
         response, explain whether the transactions in connection with the
distribution would
         fundamentally alter the nature of the Castor Maritime shareholders
investment such that
         the shareholders are providing value for the Tankco shares, and
discuss the shareholders
         economic and voting interests in Castor Maritime prior to the
transactions compared to
         their economic and voting interests in Castor Maritime and Tankco
after the transactions.
       You may contact Brian McAllister, Staff Accountant, at (202) 551-3341 or
Raj Rajan,
Staff Accountant, at (202) 551-3388 if you have questions regarding comments on
the financial
statements and related matters. Please contact Cheryl Brown, Staff Attorney, at
(202) 551-
3905 or Kevin Dougherty, Staff Attorney, at (202) 551-3271 with any other
questions.



                                                               Sincerely,

                                                               Division of
Corporation Finance
                                                               Office of Energy
& Transportation
cc:      Nikolaos Andronikos