It took its name from a castle that existed in the area and a lagoon.

Kastri Loutro beach is well organized and awarded with the Blue Flag. A beach volleyball championship is held every summer. Guests can find accomodation, in rooms and hotels, taverns, cafes and bars.

It is worth mentioning to amateur fishermen that the area is suitable for fishing. There is also the opportunity to do canoeing and kayaking at the estuaries of Pinios River.