Southernmost House
1400 Duval Street, Key West, Florida, 33040, Key West
Checking price…
Top-rated location
Guests rate location 9.7/10.
Guest favorite
Exceptional reviews from recent guests.
Pool on site
Cool off without leaving.
Guests loved it
Excellent service
Popular amenities
About Southernmost House
Outdoor Pool and Terrace
Enjoy the outdoor pool and soak up the sun on the terrace while taking in the picturesque view of the garden.
Dining with a View
Indulge in delicious meals at Seaside Cafe at Mansion with its ocean view and bar/lounge. Don't miss out on the room service and unwind with a refreshing drink at the poolside bar.
Convenience and Comfort
Experience a cozy stay in the 18 air-conditioned rooms featuring flat-screen TVs, premium bedding, and designer toiletries. Take advantage of amenities like complimentary breakfast and concierge services during your stay.
Embark on a memorable getaway at The Mansion on the Sea - Southernmost House in the USA. Book your stay now and immerse yourself in the charm of Key West!
Good to know about Southernmost House
Check-in
04:00 PM
Check-out
11:00 AM
Pets
Not allowed
Children
Adults only
How Southernmost House's price works
One flat fee
The price is what the hotel charges us plus one small, flat service fee — the same for every guest.
No surveillance pricing
We never use your device, location or browsing history to decide what you pay.
All-in, no surprises
Taxes and known fees are shown up front. What you see is what you book.
Southernmost House reviews
Exceptional
212 reviews · updated January 2026
Guests loved
- + Excellent service
- + Beautiful location
Worth noting
- – No elevator
- – Limited pool towels
Things to do near Southernmost House
1400 Duval Street, Key West, Florida, 33040, Key West
Open in Google Maps ↗Southernmost House property amenities
Parking & transportation
- Self parking (surcharge)
Pools, spa & fitness
- Free newspapers in lobby
- Pool umbrellas
- Pool sun loungers
Food & drink
- Free breakfast
- Continental breakfast
- Snack bar/deli
- Beach sun loungers
Accessibility
- Wheelchair accessible
Things to do
- Terrace
- Garden
- Golfing nearby
- Snorkeling nearby
- Bicycle rentals nearby
- Golf lessons available nearby
Services & conveniences
- Luggage storage
- Concierge service
- Safe-deposit box at front desk
- Multilingual staff
- Front desk (limited hours)
- Tours/ticket assistance
Climate & comfort
- Designated smoking area
More
- Boat tours nearby
- Parasailing nearby
- Outdoor furniture
- Picnic area
- Gift shops or newsstand
- Shopping on site
- Kayaking nearby
- Sailing nearby
- Scuba diving nearby
- Water skiing nearby
- Television in common areas
- Scooter/moped rentals nearby
- Porter/bellhop
- Skydiving nearby
- Wedding services
- Ecotours nearby
Southernmost House room amenities
Bedroom
- Premium bedding
Bathroom
- Shower
- Hair dryer
- Private bathroom
- Toilet paper
- Designer toiletries
Entertainment
- TV
Food & drink
- Coffee/tea maker
- Microwave
- Kitchenette
- Refrigerator
- Dishwasher
- Kitchen
- Stovetop
Comfort
- Air conditioning
More
- Shampoo
- Wheelchair accessible
- Free newspaper
- Daily housekeeping
- Separate sitting area
- Oven
- Toaster
Frequently asked questions about Southernmost House
What are the check-in and check-out times at Southernmost House?
Check-in starts at 04:00 PM and check-out is by 11:00 AM.
Is parking available at Southernmost House?
Yes, parking is available at Southernmost House. A fee may apply — see the property's important information.
Does Southernmost House serve breakfast?
Yes, breakfast is available at Southernmost House. A fee may apply unless your rate includes it.
Does Southernmost House have a pool?
Yes — Southernmost House has a swimming pool.
Does Southernmost House have a spa?
Yes, Southernmost House offers spa or wellness facilities.
Is Southernmost House wheelchair accessible?
Southernmost House offers facilities for guests with disabilities. Contact the property to confirm the specifics for your needs.
Is Southernmost House pet-friendly?
No, pets are not allowed at Southernmost House.
How far is Southernmost House from Honolulu airport (HNL)?
It's about 4785 mi (straight-line) from Honolulu airport (HNL).
What's the closest beach to Southernmost House?
The nearest is Lanikai Beach, about 4771 mi away (straight-line).
What is the cancellation policy at Southernmost House?
It depends on the rate you pick — many rooms at Southernmost House offer free cancellation. You'll see each room's exact policy before you book.
Are there extra fees at Southernmost House?
Any mandatory property fees are shown in your all-in total before you book — no surprises at checkout.
What guest services does Southernmost House offer?
Southernmost House offers services such as concierge, luggage storage.
Is Southernmost House a good place to stay?
Guests rate it 9.2/10 (Exceptional) across 212 reviews.
How does pricing work at Southernmost House on travelpluscost?
One honest price: what the hotel charges us plus one small flat fee — the same for everyone, never based on your data. No hidden markup and no fake discounts.
Southernmost House policies
Pets
Pets not allowed
Noise policy
Noise-free rooms not guaranteed
Check-in & Check-out
Contactless check-out is available
Guest type
Essential workers only - NO
Accessibility
No elevators
Guest type
Caters to adults only
Children and extra beds
Children not allowed
General
Professional property host/manager
Check-in & Check-out
Contactless check-in is available
Children and extra beds
No cribs (infant beds) available
You need to know about Southernmost House
Pool access available from 8:00 AM to 10:00 PM. Children 18 years old and younger are not permitted at this adults-only property. Only registered guests are allowed in the guestrooms. Cashless payment methods are available for all transactions.
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