Monster Island

Monster Island(formelly known as Sogell Island) is where many of Earth's Kaiju reside.

Origin
It was an island originally named Sogell Island where Japanese scientist working for the Untied Nations were during an experiment creating a radioactive storm as the radiation mutated 3 praying mantis and a giant spider. The spider monster Komunga fought against Godzilla and was killed by the mutant behemoth. Later, the island was used to contains the monsters.

List of Monster Island Inhabitants
List of Kaiju that reside on Monster Island