Buenos Aires
A hotel spa at the Four Seasons Buenos Aires with day passes, seven treatments including a tango-inspired massage, plus pool, sauna and steam room.
$$$$
Spas with relaxation lounge in Argentina
3 spas
Bosque del Nahuel
Hotel SpaBariloche, Río Negro
A hotel spa in Bariloche open only to guests, with a relaxation lounge and restaurant geared toward couples.
Hotel & Spa Termas Cacheuta
Hot SpringsMendoza
Adults-only hot springs resort 38 km from Mendoza city, set along the Río Mendoza with thermal pools, a day pass option, and overnight packages.
$$$
