An atoll is an island of coral that partially or completely surrounds a lagoon.
In any sea or ocean.
The Huvadhu Atoll is located in the Indian Ocean about 600 kilometers southwest of Colombo, Sri Lanka.
Palmyra Atoll is a thousand miles south of Hawaii.
Gan International Airport (GAN) is located on the island of Gan in Addu Atoll (also known as Seenu Atoll) in the Maldives.
Midway Atoll is located in the North Pacific Ocean, about 1,300 miles (2,100 km) northwest of Hawaii. It is part of the Northwestern Hawaiian Islands and is known for its history as a strategic naval and air base during World War II.
Kwajalein Atoll is about 2100 miles southwest of Hawaii, and 1400 miles east of Guam. It is part of the Marshall Islands.
atoll
Bikini Bottom is under the Bikini Atoll is the Pacific Ocean.
Rarotonga
The atoll used by the US for nuclear weapons testing is called Bikini Atoll, located in the Marshall Islands in the Pacific Ocean. The infamous Castle Bravo test, the largest nuclear weapon ever detonated by the US, took place there in 1954.
bikini atoll
the oppsite of atoll is planet