By Paul Johnson

Now in its 21st year, the Condé Nast Traveler Spa Poll has revealed its readers’ favourite spas on the US mainland, in Canada, Hawaii, Mexico and Central America, the Atlantic and the Caribbean, and even those at sea. Here are the top 10 for each category they cover – the number indicates the average score that each spa achieved.

Top 10 Resort Spas – US Mainland

1. Stein Eriksen Lodge, Park City, Utah 98.8
2. Westin Riverfront Resort & Spa, Avon, Colorado 97.5
3. Sanderling Resort & Spa, Duck, North Carolina 97.3
4. Four Seasons, Las Vegas, Nevada 96.9
5. Ritz-Carlton Lodge, Reynolds Plantation, Greensboro, Georgia 96.3
6. Stowe Mountain Lodge, Vermont 96.1
7. Ritz-Carlton Orlando Grande Lakes, Florida 95.9
8.... More...