Santa Isabel Island Santa Isabel Island Santa Isabel Island (also known as Isabel, Ysabel and Mahaga) is the longest in the Solomon Islands, the third largest in terms of surface area, and the largest in the group of islands in Isabel Province. Choiseul lies to the north-west, Malaita to the south-east. The Pacific Ocean lies to the north, and Guadalcanal (Isatabu) to the south. The highest point in Santa Isabel is Mount Sasari, 1220 meters (3675 ft). River Marutho runs down that mountain into the ocean at Hofi. Almost all the rivers or streams run down that center point except for those at
Malaita 23 miles (37 km) wide at its widest point. Its length is in a north-northwest-to-south-southeast direction, but local custom and official use generally rotate it to straight north-south orientation, and generally refer to the "east coast" or "northern end," when northeast or northwest would be more accurate. To the southwest is the Indispensable Strait, which separates it from Guadalcanal and the Florida Islands. To the northeast and east is open Pacific Ocean, except for the small Sikaiana, part of the province 212 km northeast. To the northwest of the island is Santa Isabel Island. To the immediate southwest is South