Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Eco Termales Quepos, on the Pacific coast of Puntarenas province, taps sulfurous thermal water at 39°C. The site offers an indoor bath, a rotenburo-style outdoor bath, sauna and massage in a tropical setting.
Insider tip — Eco Termales Quepos is located near Quepos on Costa Rica's central Pacific coast, the gateway town to Manuel Antonio National Park. Though the Pacific lowlands are not a primary volcanic zone, geothermal gradients from the subducting Cocos Plate bring warm water to accessible depths in this region. The eco-resort setting amid primary jungle creates a soundscape of howler monkeys and scarlet macaws while bathing. The proximity to Manuel Antonio — one of the world's most biodiverse coastal parks — makes this a natural add-on to a wildlife-focused Costa Rica itinerary.