Mardi Gras and Celebration are Carnival's two Excel-class megaships, nearly identical sister ships launched a year apart. Pick mostly comes down to which homeport works for you.

Marissa's Pick
Carnival Celebration if you live near Miami. Carnival Mardi Gras if Port Canaveral (Orlando) is closer. The ships themselves are 95% identical, including BOLT (the first roller coaster at sea).
Side-by-side stats sourced from each cruise line's published specs.
Carnival · Debuted July 2021
Carnival · Debuted November 2022
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