Question: is the caribbean part of the atlantic ocean

Answer: Yes, The Caribbean Sea (Spanish: Mar Caribe; French: Mer des Caraïbes; Dutch: Caraïbische Zee) is a sea of the Atlantic Ocean in the tropics of the Western Hemisphere. It is bounded by Mexico and Central America to the west and south west, to the north by the Greater Antilles starting with Cuba, to the east by the Lesser Antilles, and to the south by the north coast of South America.