Portland, Oregon
An 18-and-up, clothing-optional spa in Portland's Kerns neighborhood with a salt hot tub, sauna, steam room and cold plunge, reservation required.
$$
Spas with adults only in Portland
2 spas match
CASCADA Thermal Springs + Hotel
Hot SpringsPortland, Oregon
Adults-only hotel and thermal springs on NE Alberta St in Portland, with vitality pools, a day-pass option, and spa treatments.
$$$