Laputa /ləˈpuːtə/ is a flying island described in the 1726 book Gulliver's Travels by Jonathan Swift.

[1] It is about 4½ miles (7¼ km) in diameter, with an adamantine base, which its inhabitants can manoeuvre in any direction using magnetic levitation.

Laputa was located above the realm of Balnibarbi, which was ruled by its king from the flying island.

Gulliver states the island flew by the "magnetic virtue" of certain minerals in the grounds of Balnibarbi which did not extend to more than 4 miles (6.5 kilometres) above, and six leagues (29 kilometres) beyond the extent of the kingdom,[2] showing the limit of its range.

The position of the island, and the realm below, is some five days' journey south-south-east of Gulliver's last known position, 46° N, 183° E[3] (i.e. east of Japan, south of the Aleutian Islands)[4] down a chain of small rocky islands.