Jabat Island is an island located in the Pacific Ocean within the Ralik Chain of the Marshall Islands. It serves as a legislative district and is situated approximately 12 kilometers from Ailinglapalap Atoll.
The island has a total land area of 0.6 square kilometers (0.23 sq mi) and measures 1.2 kilometers in length. Unlike the majority of islands in the Marshall Islands, which are coral atolls, Jabat Island is characterized as a rocky island surrounded by fringing shallow water coral reefs that extend several kilometers to the north and south.
As of 2021, the population of Jabat Island was 75 residents.