The body of water that separates Saudi Arabia from Africa is the Red Sea. This sea is an important waterway in the region, connecting the Mediterranean Sea to the Indian Ocean through the Bab el Mandeb strait and the Gulf of Aden. The Red Sea is known for its rich biodiversity and coral reefs, making it a popular destination for divers and marine life enthusiasts. Historically, it has served as a crucial trading route, and today it remains significant for maritime trade and travel in the region.