S
- Saddleback
- Sandia Peak
- Sapphire Valley
- Schweitzer
- Seven Oaks
- Seven Springs
- Shanty Creek
- Shanty Creek Resorts-Summit Mountain
- Shawnee Mountain Ski Area
- Shawnee Peak
- Showdown Ski Area
- Sierra-at-Tahoe
- Sierra Summit Mountain Resort
- Silver Mountain
- Silverton Mountain
- Sipapu Ski and Summer Resort
- Ski Apache
- Ski Beech Mountain Resort
- Ski Brule
- Ski Butternut
- Ski Cooper
- Ski Denton
- Ski Roundtop
- Ski Santa Fe
- Ski Sawmill
- Ski Snowstar Winter Sports Park
- Ski Sundown
- Ski Ward
- Sleeping Giant Ski Resort
- Smugglers Notch Resort
- Sno Mountain
- Snowbasin
- Snowbird
- Snow Creek
- Snow King Resort
- Snow Ridge
- Snowshoe Mountain Resort
- Snow Snake Mountain Ski Area
- Snow Summit
- Snow Trails
- Snow Valley
- Snowy Range Ski & Recreation Area
- Soda Springs
- Soldier Mountain Ski Area
- Solitude Mountain Resort
- SolVista Golf & Ski Ranch (Silver Creek)
- Song Mountain
- Spirit Mountain
- Spout Springs
- Spring Mountain Ski Area
- Squaw Valley-Alpine Meadows
- Steamboat
- Stevens Pass Resort
- Stowe Mountain Resort
- Stratton Mountain
- Sugar Bowl Resort
- Sugarbush
- Sugarloaf USA
- Sugar Mountain Resort
- Suicide Six
- Sunburst
- Sundance
- Sunday River
- Sundown Mountain
- Sunlight Mountain Resort
- Sunrise Park Resort
- Sun Valley
- Swain
- Swiss Valley