The Dead Sea is an inland salt lake with high salt content. It is located in the Jordan Valley between Israel and Jordan. It is 80 kilometers long and 18 kilometers wide. The lake is at an altitude of -430.5 meters, the lowest in the world, and the average lake depth is 300 meters. Israel is located on the west bank of the Dead Sea, and many seaside baths and hotels are built along the coast. Summer tourists stay in hotels by the sea, enjoy the scenery of the Dead Sea, and swim in the Dead Sea. Most hotels have swimming pools and spa services.