Celebrity Constellation

Circle the island of Key West on a guided jet ski ride past famous landmarks, the Southernmost Point and clear turquoise flats.

An all-inclusive boat day to the backcountry sandbars, with a stop where wild dolphins play, plus snorkeling, food and drinks.

The classic way to see Key West: a narrated 90-minute ride past Hemingway's house, Duval Street, Mallory Square and the old town, starting right by the pier.

Float on an inner tube through limestone caves along a jungle river, the most popular adventure in Belize, followed by a local lunch.

Travel by boat up a jungle river to Lamanai, a Mayan city with towering temples, keeping an eye out for crocodiles and howler monkeys along the way.

A two-hour taste of Belize City: local dishes, snacks and drinks, plus a look at the city's landmarks, close to the tender pier.

Travel inland to Chacchoben, a Mayan city hidden in the jungle, to explore its temples and pyramids with a guide and learn about the people who built them.

Visit the stunning Bacalar lagoon, famous for its many shades of blue, to swim and relax in its fresh, clear water.

Cook authentic Mexican dishes with a local chef at a beachfront cafe near the port, then eat what you made by the sea. A two-hour class with perfect reviews.