Diving Weissensee
Dive school at the Stockenboi lido on the quiet east shore, run by Mimi and Basti. Two house-reef routes, a training platform at 5 m, two electric inflatables for daily boat trips, rental kit and fills; known for its all-inclusive ice-diving weekends and ice-diving courses in winter. House rules: certification plus dive medical, buddy diving only, maximum 30 m.