California:
Auberge du Soleil
Bernardus Lodge
Cal-A-Vie Spa
Calistoga Ranch
Claremont Resort & Spa
Desert Springs
Estancia La Jolla Hotel & Spa
Fairmont Sonoma Mission Inn
Golden Door
Hotel Bel-Air Spa by La Prairie
Hyatt Grand Champions Resort
La Costa Resort & Spa
Le Merigot
Loews Santa Monica Beach Hotel
Marriott's Desert Springs Resort & Spa
Miramonte Resort & Spa
Ojai Valley Inn & Spa
Park Hyatt Aviara Spa
Pebble Beach
Post Ranch Inn
Ritz-Carlton Half Moon Bay
Rosewood Sand Hill
Sense at Cordevalle, A Rosewood Resort
Sense at Rosewood Sand Hill
Solage Calistoga
Sonoma Mission Inn and Spa
Spa du Soleil
Spa Gaucin
Spa Montage
St. Regis Monarch Beach
The Ashram
The Carneros Inn Spa
The Chopra Center for Wellbeing
The Oaks at Ojai
The Peninsula Spa
The Ritz-Carlton Spa
The Spa at Beverly Wilshire Beverly Hills
The Spa at Estancia
The Spa at Pebble Beach
The Spa at The Del
The Spa at Torrey Pines
Two Bunch Palms
Vista Blue Spa Monterey

Colorado:
Allegria Spa
Park Hyatt Resort & Spa
Sonnenalp Resort of Vail
The Hotel Telluride Spas
The Peaks Resort & Spa
The Ritz-Carlton Spa
The Spa at the Broadmoor

Connecticut:
Mayflower Destination Spa

Florida:
Acqualina Resort & Spa
Canyon Ranch SpaClub
Cheeca Lodge Florida Keys
Disney's Grand Floridian Resort & Spa
Doral Golf Resort & Spa
Elle Spa, Eden Roc Renaissance
ESPA at Acqualina
Hawks Cay Resort
Longboat Key Club & Resort
Mandarin Oriental, Miami
Ocean Key Resort & Spa
Regency Resort & Spa
Sanibel Harbour Resort & Spa
Spa at Mandarin Oriental Miami
Spa Eleven Casa Casuarina
Spa Internazionale at Fisher Island
The Grove Isle Resort & Spa
The Ritz-Carlton Spa, Amelia Island
The Ritz-Carlton Spa, Naples
The Spa at The Breakers
The Spa at Harbor Beach
The Spa at Ponte Vedra Inn & Club
The Spa at The Setai
The Spa at Turnberry Isle
The Standard Spa

Georgia:
The Ritz-Carlton Spa, Reynolds Plantation
The Spa at Sea Island

Hawaii:
Anara Spa Grand Hyatt Kauai
Four Seasons Resort Hualalai
Four Seasons Resort Maui at Wailea
Grand Hyatt Kauai Resort and Spa
Grand Wailea Resort Hotel & Spa
Hualalai Sports Club and Spa
Ihilani Resort & Spa
Laniwai, Aulani
Mauna Lani Spa & Salon
Spa Grande at Grand Wailea Resort
Spa Halekulani
Spa Kea Lani at The Fairmont
Spa Moana, Hyatt Regency Maui
The Spa at Four Seasons Resort Maui
The Spa at the Westin Maui
Waikiki Resort & Spa
Westin Maui Resort & Spa

Illinois:
NoMI Spa, Park Hyatt Chicago
The Heartland Spa
The Peninsula Spa
The Spa at Four Seasons Hotel Chicago
The Spa at The Carlton Club

Iowa:
The Raj

Maine
Tree Spa at Hidden Pond

Maryland:
The Spa at Turf Valley

Massachusetts:
Canyon Ranch in the Berkshires
Chuan Body + Soul
Cranwell Resort, Spa & Golf Club
Maharishi Vedic Health Center

Michigan:
Solace Spa at Boyne Mountain

Minnesota:
Birdwing Spa

Missouri:
Big Cedar Lodge Spas
Chateau on the Lake

Nevada:
Aquae Sulis Spa
Canyon Ranch SpaClub
MGM Grand Spa
Paris Spa by Mandara
Qua Baths & Spa at Caesars
Spa Bellagio
Spa Vita di Lago
The Spa at Four Seasons Hotel Las Vegas
The Spa at Wynn Las Vegas
Trump International Hotel & Tower Las Vegas

New Jersey:
Seaview Resort & Spa
Spa Toccare at Borgata

New Mexico:
Bishop's Lodge Ranch Resort & Spa
El Monte Sagrado Living Resort & Spa
Hyatt Regency Tamaya Resort & Spa
Jemez Springs Bath House
La Posada de Santa Fe
Ojo Caliente Mineral Springs
Spa Toccare at the Borgata Hotel & Casino
Ten Thousand Waves

New York:
Copperhood Inn & Spa
Cornelia Day Resort
Emerson Resort & Spa
Kiehl's Spa 1851
Mirror Lake Inn Resort & Spa
Mohonk Mountain House
New Age Health Spa
Sense at the Carlyle, A Rosewood Hotel
Spa at Four Seasons Hotel New York
Skana, The Spa at Turning Stone Resort & Casino
The New York Palace Spa
The Peninsula Spa
The Sagamore
The Setai Fifth Avenue Spa
The Spa at Mandarin Oriental
The Whiteface Lodge

North Carolina:
Grove Park Inn Resort & Spa
Old Edwards Inn Spa
The Grove Park Inn Resort & Spa
The Spa at Pinehurst
The Umstead Hotel and Spa
Westglow Resort & Spa

Oklahoma:
Waterford Athletic Club

Oregon:
Avalon Spa
Sage Springs Club and Spa

Pennsylvania:
Deerfield Spa
The Hotel Hershey
The Lodge At Woodloch
The Spa at The Hotel Hershey
Woodlands Spa at Nemacolin

Rhode Island:
Hotel Viking

South Carolina:
Inn at Palmetto Bluff
The Sanctuary Spa
Wild Dunes Resort Spa

Tennessee:
Tennessee Fitness Spa

Texas:
Lake Austin Spa Resort
The Crossings
The Greenhouse Spa
The Spa at The Crescent
Trellis, The Spa at The Houstonian
Watermark Spa

USVI:
Sense, A Rosewood Spa at Jumby Bay
The Spa at The Ritz-Carlton, St Thomas

Utah:
Fitness Ridge
Green Valley Spa
Red Mountain Spa
The Spa at Stein Eriksen Lodge

Vermont:
Equinox Resort
Green Mountain At Fox Run
New Life Hiking Spa
Stoweflake Mountain Resort & Spa
The Spa at Stowe Mountain Lodge
Topnotch Resort and Spa

Virginia:
Kingsmill Resort & Spa
Landsdowne Resort's Spa Minerale
Poplar Springs, The Inn Spa
Spa at the Homestead
The Ritz-Carlton, Tysons Corner
The Spa of Colonial Williamsburg
Spa at the Homestead
The Founders Inn and Spa
The Martha Washington Inn Spa
Wintergarden Spa at Wintergreen Resort
Yogaville

Washington:
Alderbrook Resort & Spa
Cave B Inn
Salish Lodge and Spa
Semiahmoo Resort Golf Spa
Sun Mountain Lodge
The Spaahh at Hotel 1000
The Waterleaf Spa at Skamania Lodge
The Woodmark Hotel, Yacht Club & Spa
Willows Lodge and Spa

Washington D.C.:
I Spa at the Willard
Spa at Mandarin Oriental

West Virginia:
The Greenbrier

Wisconsin:
Aspira Spa at the Osthoff Resort
Kohler Waters Spa

Wyoming:
Solitude Spa at Teton Lodge
The Inn at Jackson Spas
The Spa at Four Seasons Resort Jackson Hole
Wilderness Adventure Spa at Spring Creek Ranch