Southernmost House - Adult Exclusive

4.0 star property
Adults-only beach hotel with outdoor pool, near Southernmost Point

Choose dates to view prices

Located close to South Beach, The Mansion on the Sea - Southernmost House in the USA offers a tranquil retreat. Enjoy continental breakfast by the ocean views at Seaside Cafe at Mansion or unwind by the pool with sun loungers and umbrellas. With shopping on site, a gift shop, and helpful staff this hotel near Key West Butterfly and Nature Conservatory is perfect for relaxation.

Reviews

9.4 out of 10
Exceptional

Popular amenities

  • Parking available
  • Free WiFi
  • Air conditioning

Main amenities (11)

  • Daily housekeeping
  • Near the beach
  • Restaurant and bar/lounge
  • Outdoor pool
  • Self parking
  • Terrace
  • Coffee/tea in a common area
  • Air conditioning
  • Multilingual staff
  • Picnic area
  • Limited hour front desk

Feel at home (6)

  • Premium TV channels
  • Terrace
  • Daily housekeeping
  • Coffee/tea maker
  • Premium bedding
  • Self parking (surcharge)
The current price is CNY1,634
CNY2,703 total
includes taxes & fees
May 3 - May 4

Room options

Available filters for rooms
Showing 9 of 9 rooms

Premium Ocean View King - Adults Only

9.0 out of 10
Wonderful
(4 reviews)
  • Ocean view
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed

Ocean View King - Adults Only

9.4 out of 10
Exceptional
(12 reviews)
  • Ocean view
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed

Courtyard view King - Adults Only

10.0 out of 10
Exceptional
(5 reviews)
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed

Premium Ocean View Bungalow King with Kitchenette - Adults Only

  • Ocean view
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed and 1 Queen Sofa Bed OR 1 King Bed

Pool View Bungalow Queen with Kitchenette - Adults Only

8.4 out of 10
Very good
(7 reviews)
  • 37 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Queen Bed and 1 Double Sofa Bed

Courtyard View 2 Queen - Adults Only

9.4 out of 10
Exceptional
(10 reviews)
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 2 Queen Beds

Partial Ocean View King - Adults Only

9.6 out of 10
Exceptional
(10 reviews)
  • Partial ocean view
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed

Courtyard view Queen ADA - Adults Only

7.8 out of 10
Good
(6 reviews)
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Queen Bed

1-Bedroom Suite with Full Kitchen - Adults Only

10.0 out of 10
Exceptional
(1 review)
  • 65 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed and 1 Queen Sofa Bed

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About the neighborhood

Map
1400 Duval Street, Key West, FL, 33040

What's nearby

  • Duval Street - 1 min walk - 0.0 km
  • South Beach - 1 min walk - 0.1 km
  • Key West Butterfly and Nature Conservatory - 1 min walk - 0.1 km
  • Southernmost Point - 2 min walk - 0.2 km
  • Ernest Hemingway Home and Museum - 8 min walk - 0.7 km

Getting around

  • Key West Intl. Airport (EYW) - 9 min drive

Restaurants

  • ‪Seaside Cafe at the Mansion - ‬1 min walk
  • ‪Southernmost Beach Café - ‬1 min walk
  • ‪Circle K - ‬5 min walk
  • ‪Cuban Coffee Queen (Duval) - ‬4 min walk
  • ‪Rum Bar at the Speakeasy Inn - ‬4 min walk

About this property

Southernmost House - Adult Exclusive

Southernmost House - Adult Exclusive offers a fantastic location, putting you just a 5-minute walk from Duval Street and Southernmost Point. Guests can take a dip in the outdoor pool or grab a bite to eat at Seaside Cafe at Mansion, which serves lunch and dinner. Other highlights at this Victorian hotel include a bar/lounge and a terrace. The helpful staff and overall property condition get great marks from fellow travelers.

At a glance

DONE

Hotel size

    • 18 rooms
    • Arranged over 3 floors
DONE

Arriving/Leaving

    • Check-in start time: 4 PM; Check-in end time: 10 PM
    • Late check-in subject to availability
    • Minimum check-in age: 21
    • Check-out time is 11 AM
DONE

Special check-in instructions

    • The front desk is open daily from 8:00 AM - 10 PM
    • Front desk staffed during limited hours
    • If you are planning to arrive after 8:00 PM please contact the property in advance using the information on the booking confirmation
    • Information provided by the property may be translated using automated translation tools
DONE

Required at check-in

    • Credit card, debit card, or cash deposit required for incidental charges
    • Government-issued photo ID may be required
    • Minimum guest age is 18
    • Minimum check-in age is 21
    • Minimum Spring Break check-in age is 24
DONE

Children

    • Children (18 years old and younger) not allowed
    • No cribs (infant beds)
DONE

Pets

    • Pets not allowed
WIFI

Internet

    • Free WiFi in public areas
    • Free WiFi in rooms (speed: 100+ Mbps (good for 1–2 people or up to 6 devices))
LOCAL_PARKING

Parking

    • Onsite self parking (USD 40 per night)
    • Onsite parking includes off-street options
DONE

Other information

    • Smoke-free property
    • Caters to adults only

Property amenities

Food and drink

  • Free continental breakfast each morning 8 AM–10 AM
  • Restaurant
  • Bar/lounge
  • Coffee/tea in a common area

What to do

  • Beach nearby
  • Golf lessons nearby
  • Kayaking nearby
  • Scuba diving nearby

Services

  • Front desk (limited hours)
  • Multilingual staff
  • Pool loungers
  • Pool umbrellas

Facilities

  • 2 buildings/towers
  • Built in 1897
  • Picnic area
  • Terrace
  • An outdoor pool
  • Outdoor furniture
  • Victorian architecture

Accessibility

  • Wheelchair accessible
  • Hand-held showerheads
  • Grab bar near toilet
  • Grab bar in shower

Room amenities

Be entertained

  • 42-inch flat-screen TV
  • Premium cable channels
  • Streaming services

Home comfort

  • Air conditioning
  • Coffee/tea maker
  • Iron/ironing board

Sleep well

  • Premium bedding
  • Pillowtop mattress

What to enjoy

  • Individually furnished

Freshen up

  • Shower only
  • Designer toiletries
  • Hair dryer
  • Towels
  • Toilet paper

Stay connected

  • Free WiFi (speed of 100+ Mbps (good for 1–2 people or up to 6 devices))

More

  • Daily housekeeping

Special features

Dining

Seaside Cafe at Mansion - Overlooking the ocean, this café serves lunch and dinner. Guests can enjoy drinks at the bar.

Fees & policies

Mandatory fees

You'll be asked to pay the following charges by the property at check-in or check-out. Fees may include applicable taxes:
  • Resort fee: USD 33.75 per accommodation, per night
  • Resort fee inclusions:
    • Beach towels
    • Concierge service
    • Housekeeping
    • In-room bottled water
    • In-room coffee
    • Pool access

Renovations and closures

The property will be renovating from April 15 2026 to December 31 2026 (completion date subject to change). The following areas are affected:
  • Exterior
Renovation work will only be conducted during business hours. Every effort will be made to minimize noise and disturbance.

Parking

  • Self parking costs USD 40 per night

Pool, spa, & gym (if applicable)

  • Pool access available from 8:00 AM to 10:00 PM

Policies

This property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children. If you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room.
Noise-free guestrooms cannot be guaranteed.
Only registered guests are allowed in the guestrooms.
This property does not have elevators.
Guests can rest easy knowing there's a carbon monoxide detector, a fire extinguisher, and a smoke detector on site.
This property accepts credit cards. Cash is not accepted.
Credit cards accepted: Visa, Mastercard, American Express, Discover
Cashless transactions are available.

Also known as

Southernmost House
Southernmost House Hotel
Southernmost House Hotel Key West
Southernmost House Key West
Southernmost House
The Southernmost House Hotel
The Southernmost House Hotel Adults Only
The Mansion on the Sea Southernmost House in the USA
The Mansion on the Sea - Southernmost House in the USA Hotel
The Mansion on the Sea - Southernmost House in the USA Key West

Frequently asked questions

Is there a pool at Southernmost House - Adult Exclusive?

Yes, there's an outdoor pool. Guests have pool access from 8:00 AM to 10:00 PM.

Are pets allowed at Southernmost House - Adult Exclusive?

Sorry, pets aren't allowed.

Is parking offered on site at Southernmost House - Adult Exclusive?

Yes. Self parking costs USD 40 per night.

What are the check-in and check-out times at Southernmost House - Adult Exclusive?

Check-in start time: 4 PM; Check-in end time: 10 PM. Check-out time is 11 AM.

What is there to do at Southernmost House - Adult Exclusive and nearby?

Have fun with activities like boat tours, kayaking, and scuba diving, and practice your swing at the nearby golf course. Enjoy a swim in the outdoor pool or use the hotel's other amenities, which include a picnic area.

Are there restaurants at or near Southernmost House - Adult Exclusive?

Yes, Seaside Cafe at Mansion offers ocean views.

What's the area around Southernmost House - Adult Exclusive like?

Southernmost House - Adult Exclusive is in Old Town Key West, a short 9-minute drive from Key West Intl. Airport (EYW) and 9 minutes' walk from Ernest Hemingway Home and Museum. Travelers say that the hotel is in a great location.

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Reviews

Southernmost House - Adult Exclusive Reviews

9.4

Exceptional

9.6

Cleanliness

9.6

Location

9.6

Staff & service

9.0

Property conditions & facilities

Guest review summary

What guests liked

  • The pool was consistently described as amazing, beautiful, awesome, and heavenly, with many guests enjoying its ocean views and convenient access. (52 reviews)
  • Breakfast was consistently great with delicious options including quiche, fresh fruit, and pastries. (38 reviews)
  • Dining options were excellent, with great breakfast and a cafe serving amazing food. (5 reviews)
AI Sparkle IconFrom real guest reviews summarized by AI.

Popular mentions

Service staff
Room
Location
View
History
Houses
Breakfast
Bed
Restaurant
Shower

Reviews

Verified

10/10 Exceptional

Fun place, great location, great staff.
Stephen, 3-night trip
Verified

10/10 Exceptional

Everything was perfect!
Michael, 1-night trip
Verified

10/10 Exceptional

Great place to stay. Staff was very friendly
Jacob, 2-night trip
Verified

10/10 Exceptional

Spotless and great staff- shout out to Auri!
Rebecca, 4-night trip
Verified

10/10 Exceptional

The experience was splendid, and the entire staff of The Southernmost House are professional and courteous. The breakfast was delicious and abundant. The location is wonderful, on the quiet end of Dubal. The pool was heavenly.
Jeffrey, 2-night trip
Verified

10/10 Exceptional

Room spotless and staff were wonderful!
Kathleen, 3-night trip
Verified

10/10 Exceptional

Great place to stay overlooking the water with nice pool. Staff is great. Location is great, close to everything but not in the middle of the craziness of Duvall Street. Room was good. General property could use some sprucing up but doesn’t take away from the overall pluses of the place.
Richard, 5-night trip
Verified

10/10 Exceptional

Fantastic location, wonderful views, kind and courteous staff. Would definitely recommend!
Sunrise
View from room 202
Katherine, 4-night trip
Verified

10/10 Exceptional

Great place with excellent staff.
Willie, 5-night trip
Verified

10/10 Exceptional

Hospitality and location
Ann E., 1-night trip
Verified

10/10 Exceptional

Cozy Hotel ☺️
ERIKO, 1-night trip
Verified

10/10 Exceptional

Very beautiful place to stay in Key West. Will stay here again if we return.
Matthew, 1-night trip
Verified

10/10 Exceptional

This property is beautiful and interesting for its rich history. The cottage rooms are right on the water. Staff is amazing and the breakfast is delicious from local bakery.
John, 3-night trip
Verified

8/10 Very good

Really cool place to stay!!
Ryan, 2-night trip
Verified

10/10 Exceptional

What a gorgeous property, the mansion is gorgeous and the views were awesome. It was so nice to walk out of the property and enjoy all that Duvall street has to offer without ever needing our car.
Renitia, 1-night trip
Verified

10/10 Exceptional

Loved this hotel so much! I really loved the atmosphere of this hotel and how close to the water you were. We will definitely be staying here again.
Melissa Frances, 3-night trip
Verified

10/10 Exceptional

The staff at this property makes you feel welcome and they are very helpful. ALL of the staff… Property is clean ( love the pool) and Ernest the Cat
John, 4-night trip
Verified

10/10 Exceptional

Had a great stay highly recommend to friends
Lloyd, 4-night trip
Verified

8/10 Very good

Beautiful area , hotel right on the beach
Fanny Sarah, 1-night trip
Verified

10/10 Exceptional

This hotel is beautiful, love the history Bed comfortable Would definitely come and stay here again
Jeremiah, 3-night trip
Verified

10/10 Exceptional

Friendly staff and clean room
Chad, 1-night trip
Verified

8/10 Very good

Staff most accommodating, perfect location
Larry, 8-night trip
Verified

10/10 Exceptional

Excellent stay
Austin, 3-night trip
Verified

10/10 Exceptional

Fantastic location with friendly staff
Leslie, 3-night trip
Verified

10/10 Exceptional

Great location and great room!
Leslie, 1-night trip