Top 20 Destination Spa Resorts in the World 2026: Readers’ Choice Awards

95 Six Senses Douro Valley Douro Valley, Portugal Book Now at Booking. 79 Grand Resort Bad Ragaz Bad Ragaz, Switzerland Book Now at Booking. 47 Mayrlife Health Resort Altaussee Altaussee, Austria Book Now at Mayrlife Health Resort Altaussee Ranking #12 Score 98.