Longest islets

As of 2026-10-12, Fongafale tops the list with 12,000 m.

1. #1 Fongafale — 12,000 m

   largest of Funafuti's islets in Tuvalu

   Fongafale is the largest and most populated of Funafuti's islets in Tuvalu. It is a long narrow sliver of land, 12 km 7.46 miles long and between 10 and 400 metres wide, with the South Pacific Ocean and reef on the east and the protected lagoon on the west. The north part is the Tengako peninsula, and Funafuti International Airport runs from northeast to southwest on the widest part of the island, with the village and administrative centre of Vaiaku on the lagoon side. Read more on Wikipedia.

   Wikidata
2. #2 Despotiko — 5,180 m

   islet with ancient sanctuary off Antiparos, Greece

   Despotikó, anciently, Prepesinthus or Prepesinthos, is a small, uninhabited Greek island in the Cyclades. It is situated west of the island of Antiparos, and east of the smaller island of Strongyli. Read more on Wikipedia.

   Wikidata
3. #3 Dragonera — 4,200 m

   island in Balearic Islands, Spain

   Dragonera, also called Sa Dragonera, is an uninhabited islet in the Balearic Islands, Spain, located just off the west coast of Mallorca. It is declared a natural park, Parc Natural Sa Dragonera. Read more on Wikipedia.

   Wikidata
4. #4 Cal Islet — 2,800 m

   island in Porto Santo, Madeira, Portugal

   Cal Islet is a small island about 500 m (1,600 ft) south of Porto Santo Island, in the Madeira Archipelago, Portugal. With an area of 1.40 km2 (0.54 sq mi), Cal is the largest of six islets close to Porto Santo. The highest point is 178 m (584 ft). The islet has never been inhabited. Read more on Wikipedia.

   Wikidata
5. #5 S'Espalmador — 2,700 m

   island in Spain

   S'Espalmador is a small, privately owned uninhabited Spanish island located in the Balearic Islands in the Mediterranean Sea. Read more on Wikipedia.

   Wikidata
6. #6 Pseira — 2,380 m

   islet off Sitia, Greece

   Pseira is an islet in the Gulf of Mirabello in northeastern Crete with the archaeological remains of Minoan and Mycenean civilisation. Read more on Wikipedia.

   Wikidata
7. #7 Kardiotissa — 2,360 m

   island off Sikinos, Greece

   Kardiotissa, anciently, Lagusa or Lagousa or Lagussa or Lagoussa (Λαγοῦσσα), is a Greek island in the Cyclades. It is uninhabited and administratively a part of the island community of Sikinos. It lies midway between that island and the island of Folegandros. Read more on Wikipedia.

   Wikidata
8. #8 Lakena — 2,250 m

   island in Nanumea atoll, Tuvalu

   Lake na or Lakina is an islet of Nanumea atoll, Tuvalu. Nanumean traditions describe Lakena as being formed when sand spilled from the baskets of two women, Pai and Vau, when they were forced off Nanumea by Tefolaha, the Tongan warrior who became the ancestor of the people of Nanumea. Read more on Wikipedia.

   Wikidata
9. #9 Sounding Island — 2,200 m

   island in Nunavut, Canada

   source Wikidata
10. #10 Strongyli — 1,850 m

    island off Antiparos, Greece

    source Wikidata