Instytut SPA & Wellness, Hotel Haffner

The SPA & Wellness Institute of the five-star Hotel Haffner, 250 m from the beach in central Sopot, has a 15 x 8 m pool with an endless-swim system and a sauna area with a dry sauna, a steam sauna and a salt grotto, alongside treatment rooms and a gym. Visitors from outside the hotel can buy a day entry to the pool zone for 130 zł on weekdays and 150 zł at weekends.