The Solomon Islands.
Suva is the capital city of Fiji, an island country in the South Pacific Ocean. Tarawa is the capital of the Republic of Kiribati, a country in the central Pacific Ocean. Palikir is the capital of the Federated States of Micronesia, an island nation in the western Pacific Ocean. Ngerulmud is the capital city of the Republic of Palau, an island country located in the western Pacific Ocean.
Yaren is the capital of Nauru, an island country in the central Pacific Ocean.
Bridgetown is the capital and largest city of Barbados, an island country in the Caribbean. Palikir is the capital of the Federated States of Micronesia, an island nation in the western Pacific Ocean. Yaren is the capital of Nauru, an island country in the central Pacific Ocean. Ngerulmud is the capital city of the Republic of Palau, an island country located in the western Pacific Ocean. Basseterre is the capital of Saint Kitts and Nevis, an island country in the West Indies. Castries is the capital and largest city of Saint Lucia, an island country in the eastern Caribbean Sea. Sao Tome is the capital city of Sao Tome and Principe, an island nation in the Gulf of Guinea, off the western coast of central Africa. Philipsburg is the main town and capital of Sint Maarten, an island country in the Caribbean. Funafuti is the capital of the island nation of Tuvalu located in the Pacific Ocean, about midway between Hawaii and Australia.
Suva is the capital city of Fiji, an island country in the South Pacific Ocean.
Alofi is the capital of Niue, an island country in the south Pacific Ocean.
Tuvalu is an island country in the Pacific Ocean. It is a small island nation located in the region of Oceania, near Australia and Fiji. Its capital is Funafuti.
Avarua is the capital city of The Cook Islands, an island country in the South Pacific Ocean.
The capital of the South Pacific island country of Vanatu is Port Vila.
The capital city of Palau is Ngerulmud. It is located on the main island of Babeldaob, which is connected by bridge to the population center on the island of Koror.
The island group northeast of Australia with a capital of Honiara is the Solomon Islands. The country consists of a group of islands in the South Pacific Ocean.
No island's capital is named "Agaa". Guam's capital is Agana, if that's what you're looking for.
Honolulu is the capital and largest city in Hawaii. It is located in the Pacific Ocean on the island of Oahu.