|File:Hapson Sea Satellite Image.png|
|Basin countries||Caspiaa, Rio Palito, Ruskayn, and Zamastan|
|Surface area||700,000 km2 (270,000 sq mi)|
|Max. depth||460 m (1500 ft)|
The Hapson Sea lies between Caspiaa, Rio Palito, Ruskayn, and Zamastan, and is connected to the Tarin Sea to the north and the Olympic Ocean to the west. It hosts key northwestern Euronian shipping lanes, and is a popular destination for recreation and tourism in basin countries.