American Samoa is a U.S. territory covering 7 South Pacific islands and atolls. 

The Cook Islands is a nation in the South Pacific, with political links to New Zealand

The Federated States of Micronesia is a country spread across the western Pacific Ocean comprising more than 600 islands. Micronesia is made up of 4 island states: Pohnpei, Kosrae, Chuuk and Yap.

Fiji officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean.

French Polynesia is an overseas collectivity of France and its sole overseas country. It comprises 121 geographically dispersed islands and atolls.

Guam is a U.S. island territory in Micronesia, in the Western Pacific. It's distinguished by tropical beaches, Chamorro villages and ancient latte-stone pillars. 

Kiribati, officially the Independent and Sovereign Republic of Kiribati, is an island country in the Micronesia subregion of Oceania in the central Pacific Ocean.

Nauru is a tiny island country in Micronesia, northeast of Australia. It features a coral reef and white-sand beaches fringed with palms, including Anibare Bay on the east coast.

New Caledonia is a French territory comprising dozens of islands in the South Pacific.

Niue is a small island nation in the South Pacific Ocean. It’s known for its limestone cliffs and coral-reef dive sites.

The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands is an unincorporated territory and commonwealth of the United States consisting of 14 islands in the northwestern Pacific Ocean.

Palau, officially the Republic of Palau, is an island country in the Micronesia subregion of Oceania in the western Pacific.

Papua New Guinea is a country in Oceania that comprises the eastern half of the island of New Guinea and its offshore islands in Melanesia.

The Pitcairn Islands, officially Pitcairn, Henderson, Ducie and Oeno Islands, are a group of four volcanic islands in the southern Pacific Ocean that form the sole British Overseas Territory in the Pacific Ocean. 

Marshall Islands, country in the central Pacific Ocean. It consists of some of the easternmost islands of Micronesia.

Samoa, officially the Independent State of Samoa and until 1997 known as Western Samoa, is a Polynesian island country consisting of two main islands; two smaller, inhabited islands; and several smaller, uninhabited islands, including the Aleipata Islands

The Solomon Islands, a nation of hundreds of islands in the South Pacific, has many WWII-era sites. Guadalcanal, a province and one of the archipelago’s largest islands, honors fallen Allied soldiers at its U.S. War Memorial.

Tokelau, a dependent territory of New Zealand, adopted an official flag in 2009. Previously, the flag of New Zealand was used as the official flag for Tokelau. In May 2008, the local parliament, the General Fono, approved a distinctive flag and national emblem for Tokelau

Tonga is a Polynesian kingdom of more than 170 South Pacific islands, many uninhabited, most lined in white beaches and coral reefs and covered with tropical rainforest.

Tuvalu, in the South Pacific, is an independent island nation within the British Commonwealth. 

Vanuatu is a South Pacific Ocean nation made up of roughly 80 islands that stretch 1,300 kilometers. The islands offer scuba diving at coral reefs, underwater caverns and wrecks such as the WWII-era troopship SS President Coolidge. 

Wallis and Futuna, officially the Territory of the Wallis and Futuna Islands, is a French island collectivity in the South Pacific, situated between Tuvalu to the northwest, Fiji to the southwest, Tonga to the southeast, Samoa to the east, and Tokelau to the northeast. Mata Utu is its capital and largest city.