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Southernmost House

4.0 star property
Adults-only beach hotel with outdoor pool

Choose dates to view prices

The Mansion on the Sea - Southernmost House in the USA is steps from South Beach. Enjoy a continental breakfast at the Seaside Cafe, ocean views, and poolside lounging. On-site shopping adds convenience, and the Key West Butterfly and Nature Conservatory is nearby.

Reviews

9.4 out of 10
Exceptional

Popular amenities

  • Bar
  • Room service

Room options

Available filters for rooms
Showing 9 of 9 rooms

View all photos for Premium Ocean View King

Premium Ocean View King | Premium bedding, pillowtop beds, individually furnished

Premium Ocean View King

8.8 out of 10
Excellent
(3 reviews)

Highlights

Individually furnished
Air conditioning
Mini-fridge
HDTV
Premium bedding
Pillowtop bed
Hair dryer
Private bathroom
  • 28 sq m
  • Ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Ocean View King

Ocean View King | Premium bedding, pillowtop beds, individually furnished

Ocean View King

9.4 out of 10
Exceptional
(9 reviews)

Highlights

Individually furnished
Air conditioning
Mini-fridge
HDTV
Premium bedding
Pillowtop bed
Hair dryer
Private bathroom
  • 46 sq m
  • Ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Courtyard view King

Courtyard view King | Premium bedding, pillowtop beds, individually furnished

Courtyard view King

10.0 out of 10
Exceptional
(2 reviews)

Highlights

Individually furnished
Air conditioning
Mini-fridge
HDTV
Premium bedding
Pillowtop bed
Hair dryer
Private bathroom
  • 46 sq m
  • Sleeps 2
  • 1 King Bed

View all photos for Premium Ocean View Bungalow King with Kitchenette

Premium Ocean View Bungalow King with Kitchenette | Premium bedding, pillowtop beds, individually furnished

Premium Ocean View Bungalow King with Kitchenette

Highlights

Deck/patio
Separate sitting area
Individually furnished
Air conditioning
Kitchenette
Refrigerator
HDTV
Premium bedding
  • 46 sq m
  • Ocean view
  • Sleeps 2
  • 1 King Bed and 1 Queen Sofa Bed OR 1 King Bed

View all photos for Pool View Bungalow Queen with Kitchenette

Pool View Bungalow Queen with Kitchenette | Premium bedding, pillowtop beds, individually furnished

Pool View Bungalow Queen with Kitchenette

8.4 out of 10
Very good
(6 reviews)

Highlights

Patio
Individually furnished
Air conditioning
Kitchenette
Refrigerator
HDTV
Premium bedding
Pillowtop bed
  • 37 sq m
  • Sleeps 2
  • 1 Queen Bed and 1 Double Sofa Bed

View all photos for Courtyard View 2 Queen

Courtyard View 2 Queen | Premium bedding, pillowtop beds, individually furnished

Courtyard View 2 Queen

9.4 out of 10
Exceptional
(9 reviews)

Highlights

Individually furnished
Air conditioning
Mini-fridge
HDTV
Premium bedding
Pillowtop bed
Hair dryer
Private bathroom
  • 46 sq m
  • Sleeps 2
  • 2 Queen Beds

View all photos for Partial Ocean View King

Partial Ocean View King | Premium bedding, pillowtop beds, individually furnished

Partial Ocean View King

9.8 out of 10
Exceptional
(8 reviews)

Highlights

Individually furnished
Air conditioning
Mini-fridge
HDTV
Premium bedding
Pillowtop bed
Hair dryer
Private bathroom
  • 46 sq m
  • Partial ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Courtyard view Queen ADA

Courtyard view Queen ADA | Premium bedding, pillowtop beds, individually furnished

Courtyard view Queen ADA

7.2 out of 10
Good
(5 reviews)

Highlights

Balcony or patio
Individually furnished
Air conditioning
Mini-fridge
HDTV
Premium bedding
Pillowtop bed
Hair dryer
  • 46 sq m
  • Sleeps 2
  • 1 Queen Bed

View all photos for 1-Bedroom Suite with Full Kitchen

1-Bedroom Suite with Full Kitchen | Premium bedding, pillowtop beds, individually furnished

1-Bedroom Suite with Full Kitchen

10.0 out of 10
Exceptional
(1 review)

Highlights

Separate dining area
Separate sitting area
Individually furnished
Air conditioning
Kitchen
Full-sized refrigerator/freezer
Dishwasher
HDTV
  • 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 miles
  • South Beach - 1 min walk - 0.1 miles
  • Key West Butterfly and Nature Conservatory - 1 min walk - 0.1 miles
  • Southernmost Point - 2 min walk - 0.1 miles
  • Ernest Hemingway Home and Museum - 8 min walk - 0.4 miles

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
  • ‪Southernmost Point Bar in the USA - ‬5 min walk
  • ‪Circle K - ‬5 min walk
  • ‪La Te Da - ‬4 min walk

About this property

Southernmost House

Upscale hotel near Southernmost Point
Located close to Key West Butterfly and Nature Conservatory and South Beach, Southernmost House provides free continental breakfast, a poolside bar, and a terrace. The on-site restaurant, Seaside Cafe at Mansion, offers lunch, dinner, and ocean views. In addition to shopping on site and a garden, guests can connect to free in-room WiFi, with speed of 500+ Mbps (good for 6+ people or 10+ devices).
Other perks at this hotel include:
  • An outdoor pool along with sun loungers and pool umbrellas
  • Self parking (surcharge), concierge services, and beach towels
  • Luggage storage, tour/ticket assistance, and a gift shop
  • Wedding services, a porter/bellhop, and a front-desk safe
  • Guest reviews speak highly of the helpful staff, first-rate property condition, and location
Room features
All guestrooms are individually furnished, and include comforts such as premium bedding and air conditioning, in addition to thoughtful touches like free WiFi and free newspapers.
More amenities include:
  • Designer toiletries, showers, and hair dryers
  • 42-inch HDTVs with streaming services and premium channels
  • Coffee/tea makers and daily housekeeping

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  • Spa
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Property amenities

Internet

  • Available in all rooms: Free WiFi
  • In-room WiFi speed: 500+ Mbps (good for 6+ people or 10+ devices)
  • Available in some public areas: Free WiFi

Parking and transportation

  • Self parking on site (USD 25 per night)

Food and drink

  • Free continental breakfast available daily 8:00 AM to 10:00 AM
  • A bar/lounge
  • A poolside bar
  • A restaurant
  • Coffee and tea in common areas
  • Snack bar/deli

Restaurants on site

  • Seaside Cafe at Mansion

Things to do

  • Outdoor pool
  • Shopping
  • TV in common areas

Conveniences

  • Free newspapers in lobby
  • Gift shop/newsstand
  • Limited-hour front desk
  • Luggage storage
  • Safe at front desk

Guest services

  • Concierge services
  • Housekeeping (daily)
  • Multilingual staff
  • Porter/bellhop
  • Proposal/romance packages
  • Tour and ticket assistance
  • Wedding services

Outdoors

  • Beach loungers
  • Beach towels
  • Garden
  • On the waterfront
  • Outdoor furniture
  • Picnic area
  • Pool loungers
  • Pool umbrellas
  • Terrace

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Grab bar in shower
  • Grab bar near toilet
  • Hand-held showerhead
  • No elevator

More

  • 3 buildings
  • 3 floors
  • Built in 1897
  • Designated smoking areas
  • Reception hall
  • Victorian architecture

Room amenities

Bedroom

  • Pillowtop mattress
  • Premium bedding

Bathroom

  • Designer toiletries
  • Hair dryer
  • Shampoo
  • Shower
  • Soap
  • Toilet paper
  • Towels provided

Entertainment

  • 42-inch flat-screen TV with premium cable channels
  • Streaming services

Food and drink

  • Champagne service
  • Coffee/tea maker
  • Room service

More

  • Air conditioning
  • Free daily newspapers
  • Individual furnishings
  • Iron/ironing board

Policies

Check-in

Check-in start time: 4 PM; Check-in end time: 10 PM
Early check-in subject to availability
Contactless check-in available
Late check-in subject to availability
Minimum check-in age: 18

Check-out

Check-out before 11 AM
Contactless check-out available

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

Access methods

Front desk (limited hours)

Pets

Pets not allowed

Children and extra beds

Children younger than 18 are not allowed at this adults-only property; all guests 18 and older are welcome
Cribs (infant beds) are not available

Property payment types

Important information

Fees

You'll be asked to pay the following charges at the property. Fees may include applicable taxes:

  • Spring Break deposit: USD 250 per stay for guests under 21 years old staying between 1 March - 31 March

We have included all charges provided to us by the property.

Optional extras

  • Self parking fee: USD 25 per night

The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
Minimum Spring Break check-in age is 24 years old
This property accepts credit cards; cash is not accepted
Noise-free guestrooms cannot be guaranteed
Safety features at this property include a carbon monoxide detector, a fire extinguisher, and a smoke detector
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

We should mention

This property does not have elevators
Children 18 years old and younger are not permitted at this adults-only property
Only registered guests are allowed in the guestrooms

Property is 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

Does Southernmost House have a pool?

Yes, this property has an outdoor pool.

Is Southernmost House pet-friendly?

No, pets are not allowed at this property.

How much is parking?

Self parking is available for USD 25 per night.

What time is check-in at Southernmost House?

Check-in start time: 4 PM; Check-in end time: 10 PM. Late check-in is available during limited hours.

What time is check-out at Southernmost House?

Check-out is at 11 AM.

Where is Southernmost House located?

Located in Old Town Key West, this beach hotel is steps from Southernmost Point, Duval Street, and South Beach. Key West Butterfly and Nature Conservatory and Ernest Hemingway Home and Museum are also within 10 minutes.

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Southernmost House Reviews

Reviews

9.4

Exceptional

Rating 10 - Excellent. 769 out of 1006 reviews
Rating 8 - Good. 153 out of 1006 reviews
Rating 6 - Okay. 55 out of 1006 reviews
Rating 4 - Poor. 21 out of 1006 reviews
Rating 2 - Terrible. 8 out of 1006 reviews

9.6/10

Cleanliness

9.6/10

Staff & service

9.2/10

Amenities

9.0/10

Property conditions & facilities

9.2/10

Eco-friendliness

Reviews

10/10 Excellent

Willie

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great place with excellent staff.
Stayed 5 nights in Oct 2025

10/10 Excellent

ERIKO

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Cozy Hotel ☺️
Stayed 1 night in Nov 2025

10/10 Excellent

Melissa Frances

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
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.
Stayed 3 nights in Oct 2025

10/10 Excellent

Matthew

Liked: Cleanliness, staff & service, property conditions & facilities
Very beautiful place to stay in Key West. Will stay here again if we return.
Stayed 1 night in Sep 2025

10/10 Excellent

Chad

Liked: Cleanliness, staff & service, property conditions & facilities
Friendly staff and clean room
Stayed 1 night in Oct 2025

10/10 Excellent

Nathan

Liked: Cleanliness, amenities, property conditions & facilities
Room was nice especially considering the age of the house. Staff was super friendly and helpful. Lobster pizza at the attached bar was awesome! On the quiet end of Duval street so it was very relaxing when we wanted it to be, but we would walk to the other end to explore, drink, eat etc.
Stayed 6 nights in Aug 2025

8/10 Good

Ryan

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Really cool place to stay!!
Stayed 2 nights in Jul 2025

10/10 Excellent

Jeremiah

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
This hotel is beautiful, love the history Bed comfortable Would definitely come and stay here again
Stayed 3 nights in Jul 2025

10/10 Excellent

Lloyd

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Had a great stay highly recommend to friends
Stayed 4 nights in Jul 2025

10/10 Excellent

Kim

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Everything was amazing. Very attentive staff, especially Dean. Gorgeous property.
Stayed 4 nights in Oct 2025

8/10 Good

Fanny Sarah

Liked: Cleanliness, amenities
Beautiful area , hotel right on the beach
Stayed 1 night in Jul 2025

10/10 Excellent

Matthew

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The historic feel of the mansion makes it quite romantic and quaint. We loved our stay. And the staff was fabulous!
Stayed 1 night in Sep 2025

10/10 Excellent

Ilija

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
It is historic hotel with great access to Duval St. It is on the shore. Perfect place to watch both sunrise AND sunset. Clean, good breakfast, nice staff.
Stayed 4 nights in Oct 2025

8/10 Good

Larry

Liked: Cleanliness, staff & service, property conditions & facilities
Staff most accommodating, perfect location
Stayed 8 nights in Aug 2025

10/10 Excellent

Jeffrey Michael

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The Southernmost House, was beautiful, and the staff was wonderful. The complimentary breakfast was very good and had many options to choose from. They always had cold bottles of water for all who stayed there, and the outside porches were just wonderful to relax on at all times of the day
Stayed 4 nights in Sep 2025

10/10 Excellent

Debbi

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The Mansion is beautiful! We had a wonderful and relaxing stay. The beds were fabulous and super comfy! We really enjoyed our stay and would come again!
Stayed 7 nights in Aug 2025

10/10 Excellent

Paul

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very enjoyable stay. Thank you.
Stayed 1 night in Sep 2025

10/10 Excellent

Julie

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
It was so quiet and peaceful. Staff was friendly and helpful. I love this house!
Stayed 3 nights in Sep 2025

10/10 Excellent

Tom

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Excellent property
Stayed 2 nights in Aug 2025

10/10 Excellent

Cheryl

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Will definitely be coming back. We loved Dean. The room was beautiful and clean. Beautiful breakfast. Loved it!
Stayed 4 nights in Oct 2025

10/10 Excellent

Yan

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We were really surprised as well as thankful to be upgraded to the Main House and specifically, Room -#107. It was the best.
Stayed 5 nights in Oct 2025

10/10 Excellent

Leslie

Liked: Amenities
Great location and great room!
Stayed 1 night in Jun 2025

10/10 Excellent

Leslie

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Fantastic location with friendly staff
Stayed 3 nights in Jun 2025

10/10 Excellent

Austin

Liked: Cleanliness, amenities, property conditions & facilities
Excellent stay
Stayed 3 nights in May 2025

10/10 Excellent

Lori

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The mansion is beautiful very historic. The staff were so nice and welcoming. We really didn't have to leave the grounds for anything, will be back again!
Stayed 3 nights in Aug 2025
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