Final answer:
Antigua and Barbuda lie between the Caribbean Sea to the southwest and the Atlantic Ocean to the northeast.
Step-by-step explanation:
In Antigua and Barbuda, the body of water that lies to the southwest is the Caribbean Sea, part of the tropical Atlantic Ocean which is surrounded by the Greater Antilles to the west, the Lesser Antilles to the east, and South America to the south. On the northeast side, Antigua and Barbuda are bordered by the vast Atlantic Ocean.
The Lesser Antilles, of which Antigua and Barbuda are a part, form a long arc of small islands that extends from the Islands in the north to Grenada in the south. The location of Antigua and Barbuda provides access to both the serene Caribbean Sea and the expansive Atlantic Ocean, two significant and distinct bodies of water that have shaped the cultural and economic history of the region.