No Purchase Necessary to Enter or Win. Sweepstakes begins Nov. 1, 2023 at 12:00:00 AM ET & ends Oct. 31, 2024 at 11:59:59 PM ET, divided into 4 Entry Periods. Open to legal residents of the 50 U.S. and D.C. who are 21+. Void where prohibited. Click Here for Official Rules that govern & complete details incl. Entry Periods. Sponsor: Carnival Cruise Line, a div. of Carnival Corp.