18+ Hotels in Key West, FL
Where You Can Check In at 18, 19 or 20
8 hotels in Key West, FL list a minimum check-in age of 18 on Hotels.com, so travelers aged 18, 19 and 20 can check in. Observed starting prices begin at $174 at Southwinds Motel, with a median of $181 per night. Almond Tree Inn Hotel - Adults Only has the best guest rating, 10.0/10 from 1,014 reviews. Of these, all 8 have a pool and 3 accept pets. Places mentioned near these hotels include Duval Street, South Beach and Ernest Hemingway Home and Museum. Hotel data checked in October 2026.
Policies can change: confirm the minimum check-in age with the hotel before booking.
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Almond Tree Inn Hotel - Adults Only
3.5-star hotel
512 Truman Ave, Key West, FL 33040, USA
- Pool
- Free WiFi
- Air conditioning
Minimum check-in age: 18
From USD 181.00
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Parking: Wheelchair-accessible parking · 1 on-site accessible parking spaces · Wheelchair-accessible van parking
Pets: Pets not allowed
Nearby
- Duval Street — 0.0 km, 1 min walk
- Ernest Hemingway Home and Museum — 0.3 km, 3 min walk
- Key West Lighthouse and Keeper's Quarters Museum — 0.3 km, 3 min walk
Orchid Key Inn - Adults Only
3.5-star hotel
1004 Duval St, Key West, FL 33040, USA
- Pool
- Air conditioning
Minimum check-in age: 18
From USD 181.00
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Parking: Wheelchair-accessible parking · 1 on-site accessible parking spaces · Wheelchair-accessible van parking
Pets: Pets not allowed
Nearby
- Duval Street — 0.0 km, 1 min walk
- Ernest Hemingway Home and Museum — 0.2 km, 1 min walk
- Key West Lighthouse and Keeper's Quarters Museum — 0.2 km, 1 min walk
Kimpton Fitch Lodge, an IHG Hotel
3.5-star hotel
1030 Eaton St, Key West, FL 33040, USA
- Pool
- Free WiFi
- Air conditioning
Minimum check-in age: 18
From USD 241.00
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Parking: Bicycle parking
Pets: Pets allowed*
Nearby
- Key West Naval Station — 0.2 km, 1 min walk
- Duval Street — 1.0 km, 12 min walk
- Mallory Square — 1.4 km, 16 min walk
Suite Dreams Inn by the Beach
3.0-star hotel
1001 Von Phister, Key West, FL 33040, USA
- Pool
Minimum check-in age: 18
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Pets: Service animals welcome
Nearby
- Florida Keys Beaches — 0.4 km, 5 min walk
- Clarence S. Higgs Memorial Beach Park — 0.6 km, 6 min walk
- Duval Street — 0.9 km, 10 min walk
New Orleans House - Gay Men Adult Resort
2.5-star hotel
724 Duval Street, Key West, FL 33040, USA
- Pool
- Fitness center
- Free WiFi
- Air conditioning
Minimum check-in age: 18
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Pets: Pets not allowed
Nearby
- Duval Street — 0.0 km, 1 min walk
- Ernest Hemingway Home and Museum — 0.4 km, 5 min walk
- Key West Lighthouse and Keeper's Quarters Museum — 0.4 km, 5 min walk
Southwinds Motel
2.0-star hotel
1321 Simonton Street, Key West, FL 33040, USA
- Pool
- Air conditioning
Minimum check-in age: 18
From USD 174.00
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Pets: Pets not allowed
Nearby
- Duval Street — 0.3 km, 3 min walk
- South Beach — 0.3 km, 3 min walk
- Southernmost Point — 0.4 km, 5 min walk
Miss Serenity your Marine Expreience
3.5-star hotel
7005 Shrimp Rd, Key West, FL 33040, USA
- Pool
- Fitness center
- Free WiFi
- Air conditioning
- Kitchen
Minimum check-in age: 18
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Pets: Pets stay free (dogs and cats only)
Nearby
- Robbie's — 1.2 km, 14 min walk
- Key West Golf Club — 1.3 km, 15 min walk
- Key West Tropical Forest and Botanical Garden — 2.1 km, 2 min drive
Hyatt Centric Key West Resort and Spa
4.0-star hotel
601 Front St, Key West, FL 33040, USA
- Pool
- Fitness center
- Free WiFi
- Air conditioning
Minimum check-in age: 18
From USD 294.00
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Parking: Wheelchair-accessible parking · Wheelchair-accessible van parking
Pets: Pets allowed (dogs only)*
Nearby
- Florida Keys Beaches — 0.2 km, 1 min walk
- Duval Street — 0.3 km, 3 min walk
- Mallory Square — 0.4 km, 4 min walk
No hotels match the selected amenities.