The Rotuma group of volcanic islands are located (Suva to Ahau) north of Fiji. Rotuma Island itself is long and wide, with a land area of approximately , making it the 12th-largest of the Fiji islands. The island is bisected by an isthmus into a larger eastern part and a western peninsula. The isthmus is low and narrow, only wide, and is the site of Motusa village (Itutiu district). North of the isthmus is Maka Bay, and in the south is Hapmafau Bay. There is a large population of coral reefs in these bays, and there are boat passages through them.