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
César Gabriel de Choiseul Flèche and of Giry, lord of Chassy. He was made a knight of the order of the Holy Spirit on 1 January 1762. He was made an honorary member of the Academy of Sciences on 15 December 1769. Praslin Island, one of the Seychelles, was named after him. The villages of Choiseul and Praslin in Saint Lucia are also named after him César Gabriel de Choiseul César Gabriel de Choiseul, duc de Praslin (15 August 1712 – 15 November 1785) was a French officer, diplomat and statesman. On 30 April 1732, he married Anne Marie de Champagne de Villaines de