SUPERNOVA PARTNERS ACQUISITION COMPANY II, LTD.

4301 50^th Street NW

Suite 300 PMB 1044

Washington, D.C. 20016

March 1, 2021

VIA EDGAR

Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C. 20549-4628

Dear Ms. Martin:

Supernova Partners Acquisition Company II, Ltd. (the “Registrant”) hereby requests, pursuant to Rule 461 of the rules and regulations promulgated under the Securities Act of 1933, as amended, the acceleration of the effective date of the above-captioned Registration Statement, as amended, to 3:00 P.M., Washington, D.C. time, on March 1, 2021 or as soon as practicable thereafter, unless the Registrant notifies you otherwise prior to such time.