Ellery Beach House is a hotel on Elfviks udde on Lidingö whose Coco Beach Club sells day passes from 395 SEK. A pass covers the heated indoor and outdoor pools, the saunas and the Fire Room, with a bathrobe included. The Ocean Sauna on the shore has a cold plunge in the Baltic and opens daily 07:00–22:00; the outdoor pool and sauna open daily 09:00–23:00. The club is open all year, with a minimum age of 16.