Leaphigh, Leaplow, Leapup, Leapdown, Leapover, Leapthrough, Leaplong, Leapshort, Leapround, Leapunder: ten independent kingdoms in the Antarctic archipelago of the Leap Islands, in the 1835 novel The Monikins by James Fenimore Cooper
Isla Island: Is a small island dictatorial nation it appeared in the American Dad episode season 5, The original dictator named Juanito Pequeño was killed by eating a corn dog and replaced by Roger Smith who thinks he and Stan in vacation, who renamed the island Bananarama before being replaced by a "horrible" dancing dictator name Hector Aldozer.
Barataria: island kingdom, presumably somewhere in the Mediterranean. A fictional ínsula ("isle") awarded by some noblemen to Sancho Panza as a prank in Cervantes' Don Quixote (from the Spanish word barato, meaning cheap). Also, the setting for Act II of the operetta The Gondoliers, by Gilbert and Sullivan.
Hudatvia: A large island somewhere in the Middle East that is visited in two episodes of the Gerry Anderson series Stingray, these being Star of the East and Eastern Eclipse respectively. Hudatvia is an island nation that is perpetually undergoing revolutions thanks to the quarrelling leaders, El Hudat and his brother Ali Khali, suggesting a perpetual civil war. Titan attempts to use Hudatvia as a base for the conquest of the land, but the brother's quarrelling causes his plan to fail.
Huella Islands: islands off the coast of Cayenne, mentioned in the Hardy Boys books. They are ruled by dictator Juan Posada and their "spy chief" is named Bedoya. The adjective is Huellan.
San Cristobel: tropical island country in The Guiding Light TV series, also the name for a separate fictional nation in the TV series Automan
San Esperito: South American island nation from the video game Just Cause.
San Seriffe: Fictional island nation featured in an elaborate April Fools' Day hoax on 1 April 1977 in the British newspaper The Guardian. These islands have been reported at several different locations around the globe since 1977.
Pokoponesia: island nation from the animated version of The Tick
Samaru Island: Believed to be in Oceania somewhere near Australia and New Zealand, had a political issues with an upcoming election and illegal arms trade in season 2 of Sea Patrol (TV series)