Bougainville Strait is one of three major routes for merchant shipping through the Solomon Islands; the routes are the Bougainville Strait and Indispensable Strait which link the Pacific Ocean, Solomon Sea and Coral Sea; and the Manning Strait that links the Pacific to New Georgia Sound, which is also known as ‘The Slot’, through which Japanese naval ships resupplied the garrison on Guadalcanal during the Pacific War. Bougainville Strait Bougainville Strait separates Choiseul Island, part of the Solomon Islands from Bougainville Island, the next to the northward and part of Papua New Guinea. It was first passed through in 1768 by Louis
Malaita Auki, on the northwest coast and is on the northern shore of the Langa Langa Lagoon. The people of the Langa Langa Lagoon and the Lau Lagoon on the northeast coast of Malaita call themselves "wane i asi" ‘salt-water people’ as distinct from "wane i tolo" ‘bush people’ who live in the interior of the island. Most local names for the island are Mala, or its dialect variants Mara or Mwala. The name Malaita or Malayta appears in the logbook of the Spanish explorers who in the 16th century visited the islands, and claimed that to be the actual name.