The Apolima Strait separates the two main islands of Samoa, Savai'i, to the northwest, and Upolu to the southeast. Three small islands lie in the strait, Manono, Apolima and tiny uninhabited Nu'ulopa. Samoa Savai’i, the “soul of Samoa”, is the larger of the two main islands in the state of Samoa. ... Samoa In Polynesian mythology (specifically Samoan), Upolu is the first woman on the island of the same name. ... Manono is an island, 3 sq km in area and is the fourth most populated Samoan island. ... Apolima seen from the Upolu-Savaii ferry Apolima is the fourth largest island of Samoa. ...