As of 2015, destinations for a Caribbean cruise purchased through Costco include Grand Cayman, Grand Turk, Cozumel, and Roatan. Costco represents and books cruises to the Caribbean on various cruise lines, including Royal Caribbean, Carnival, Norwegian Cruise Line and Disney, each with its own particular ports of call.
Grand Cayman in the Cayman Islands offers the chance to explore and sunbathe on miles of pristine beaches. With a thriving economy, this island offers jewelry, art and locally made crafts, as well as duty-free shopping opportunities.
Grand Turk in the Turks and Caicos is an outdoor lover's ideal getaway. The clear blue of the ocean offers many opportunities for snorkeling and scuba diving. A walk around the island provides travelers with the chance to see exotic flora and fauna and free-range animals, such as donkeys and goats.
As Mexico's largest island, Cozumel provides scuba divers and snorkelers the chance to see unique coral and shoal areas filled with a rainbow of colored fish. An animal lover can catch a glimpse of the dwarf raccoon and the Cozumel wren during his visit.
Roatan is one of the Bay Islands of Honduras and offers travelers the chance to enjoy some diving, fishing and hiking. The center of the island features a mountainous terrain, while the surrounding water is filled with species of coral.