Complex sentence: STENAPA is the national parks organisation of Sint Eustatius, a small Dutch island in the Caribbean, situated within the Leeward Island chain of the Lesser Antilles, West Indies, lying south of the island of Saba and north of the island of Saint Kitts.
Split into simpler sentences: STENAPA is the national parks organisation of Sint Eustatius, which is a small Dutch island in the Caribbean. It is south of the island of Saba and north of the island of Saint Kitts.