The term 'Island in the Indian Ocean' can be summarized by two crossword solutions: MADAGASCAR (10 letters) and MAFIA (5 letters). MADAGASCAR is the fourth largest island in the world and is located off the southeastern coast of Africa in the Indian Ocean. It is home to a diverse range of wildlife, including lemurs, chameleons, and fossas. MAFIA is an island located off the coast of Tanzania in the Indian Ocean. It is known for its pristine beaches, coral reefs, and lush vegetation.