Mañagaha (or Managaha) is a small islet which lies off the west coast of Saipan within its lagoon in the Northern Mariana Islands.

Although it has no permanent residents, Mañagaha is popular among Saipan's tourists as a day-trip destination due to its wide sandy beaches and a number of marine activities including snorkeling, parasailing and jet skiing.

[3] The small island is ringed by beach circling forested area where there are the facilities.

This seabird nests in burrows principally on the east side of the island.

A statue of the chief commemorates his achievements in leading his people from Satawal after a devastating typhoon to Saipan.