Atlantis is a spacious gay sauna and wellness resort in Ludwigshafen am Rhein, near Mannheim, with a distinctly holiday, southern feel across more than 1,700 square meters. Its highlights are an 800-square-meter nudist garden, a Japanese Zen garden, and the largest swimming pool in the region, alongside three saunas, a solarium, massage, and a bistro-bar, plus a dedicated cruising wing with a BDSM area, slings, and video rooms.