United States securities and exchange commission logo December 13, 2021 Shahraab Ahmad Chief Executive Officer Atlantic Coastal Acquisition Corp. II 6 St Johns Lane Floor 5 New York, NY 10013 Re: Atlantic Coastal Acquisition Corp. II Registration Statement on Form S-1 Filed December 2, 2021 File No. 333-261459 Dear Mr. Ahmad: 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 Catherine De Lorenzo at 202-551-4079 with any questions. Sincerely, Division of Corporation Finance Office of Real Estate & Construction cc: Stephen C. Ashley