Adults-only hotels, or hotels with a high minimum age, for a quiet trip for two without a family pool scene. The minimum age is not the same everywhere, so check it on the hotel page or the hotel's own site before paying a non-refundable rate.
19 stays, each scored out of 100 across five pillars.
Adults 16+The Balearics' only thermal spring
Fontsanta Hotel Thermal Spa & Wellness
Campos, Spain
from €330 / night
