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The Mansion on the Sea - Southernmost House in the USA

3.0 star property

Photo gallery for The Mansion on the Sea - Southernmost House in the USA

Mansion Room #201 - Ocean View with private balcony - Adults Only | Terrace/patio
Mansion Room #106 - Ocean View w/ Direct Pool Access - Adults Only
Front of property - evening/night
Exterior
Property amenity

Reviews

9.4 out of 10
Exceptional

Popular amenities

  • Room service
  • Parking available
  • Bar
  • Breakfast included
  • Pool
  • Housekeeping

Explore the area

Map
1400 Duval Street, Key West, FL, 33040
  • Southernmost Point
    ‪1 min walk‬
  • Duval Street
    ‪1 min walk‬
  • South Beach
    ‪2 min walk‬
  • Key West, FL (EYW-Key West Intl.)
    ‪9 min drive‬

Room options

View all photos for Mansion Room #204 - Courtyard View - Adults Only

Mansion Room #204 - Courtyard View - Adults Only

Mansion Room #204 - Courtyard View - Adults Only

  • 46 sq m
  • Sleeps 2
  • 1 King Bed

View all photos for Mansion Room #107 - Ocean View - Adults Only

Mansion Room #107 - Ocean View - Adults Only

Mansion Room #107 - Ocean View - Adults Only

  • 46 sq m
  • Ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Mansion Room #203 - Courtyard View - Adults Only

Mansion Room #203 - Courtyard View - Adults Only

Mansion Room #203 - Courtyard View - Adults Only

  • 46 sq m
  • Sleeps 2
  • 1 King Bed

View all photos for Bungalow #101 -Ocean Front - Adults Only

Bungalow #101 -Ocean Front - Adults Only

Bungalow #101 -Ocean Front - Adults Only

  • 46 sq m
  • Ocean view
  • Sleeps 4
  • 1 King Bed and 1 Queen Sofa Bed OR 1 King Bed

View all photos for Mansion Room #106 - Ocean View w/ Direct Pool Access - Adults Only

Mansion Room #106 - Ocean View w/ Direct Pool Access - Adults Only

Mansion Room #106 - Ocean View w/ Direct Pool Access - Adults Only

  • 46 sq m
  • Partial ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Mansion Room #201 - Ocean View with private balcony - Adults Only

Mansion Room #201 - Ocean View with private balcony - Adults Only

Mansion Room #201 - Ocean View with private balcony - Adults Only

  • 46 sq m
  • Ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Mansion Room #202 - Ocean View - Adults Only

Mansion Room #202 - Ocean View - Adults Only

Mansion Room #202 - Ocean View - Adults Only

  • 28 sq m
  • Ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Mansion Room #301 - Tower Outlook to Ocean View - Adults Only

Mansion Room #301 - Tower Outlook to Ocean View - Adults Only

Mansion Room #301 - Tower Outlook to Ocean View - Adults Only

  • 28 sq m
  • Ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Lopez House #108 - King Courtyard Suite with Kitchen - Adults Only

Lopez House #108 - King Courtyard Suite with Kitchen - Adults Only

Lopez House #108 - King Courtyard Suite with Kitchen - Adults Only

  • 65 sq m
  • Partial ocean view
  • Sleeps 4
  • 1 King Bed and 1 Queen Sofa Bed

View all photos for Mansion Room #302 - Oceanview - 1 King Bed - Adults Only

Mansion Room #302 - Oceanview - 1 King Bed - Adults Only

Mansion Room #302 - Oceanview - 1 King Bed - Adults Only

  • 46 sq m
  • Partial ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Bungalow #102 - Pool View - Adults Only

Bungalow #102 - Pool View - Adults Only

Bungalow #102 - Pool View - Adults Only

  • 37 sq m
  • Sleeps 4
  • 1 Queen Bed and 1 Double Sofa Bed

View all photos for Cottage #104 - Ocean View w/Direct Pool Access - Adults only

Cottage #104 - Ocean View w/Direct Pool Access - Adults only

Cottage #104 - Ocean View w/Direct Pool Access - Adults only

  • 28 sq m
  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed

View all photos for Mansion Room #303 - Courtyard View - Adults Only

Mansion Room #303 - Courtyard View - Adults Only

Mansion Room #303 - Courtyard View - Adults Only

  • 46 sq m
  • City view
  • Sleeps 4
  • 2 Queen Beds

View all photos for Lopez House #109 - Courtyard View - Adults Only

Lopez House #109 - Courtyard View - Adults Only

Lopez House #109 - Courtyard View - Adults Only

  • 46 sq m
  • Sleeps 2
  • 1 Queen Bed

View all photos for Lopez House #205 - Partial Ocean View - Adults Only

Lopez House #205 - Partial Ocean View - Adults Only

Lopez House #205 - Partial Ocean View - Adults Only

  • 46 sq m
  • Ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Lopez House #206 - Partial Ocean View - Adults Only

Lopez House #206 - Partial Ocean View - Adults Only

Lopez House #206 - Partial Ocean View - Adults Only

  • 46 sq m
  • Ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Lopez House #207 - Courtyard View - Adults Only

Lopez House #207 - Courtyard View - Adults Only

Lopez House #207 - Courtyard View - Adults Only

  • 46 sq m
  • Sleeps 2
  • 1 King Bed

View all photos for Bungalow #103 - Pool View - Adults Only

Bungalow #103 - Pool View - Adults Only

Bungalow #103 - Pool View - Adults Only

  • 28 sq m
  • Sleeps 2
  • 1 Queen Bed

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About the area

Key West

With a stay at The Mansion on the Sea - Southernmost House in the USA, you'll be centrally located in Key West, steps from Southernmost Point and Duval Street. .This beach hotel is 0.1 mi (0.1 km) from South Beach and 0.1 mi (0.1 km) from Key West Butterfly and Nature Conservatory.

What's nearby

  • Southernmost Point - 1 min walk
  • Duval Street - 1 min walk
  • South Beach - 2 min walk
  • Ernest Hemingway Home and Museum - 9 min walk
  • Fort Zachary Taylor Historic State Park - 4 min drive

Getting around

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

Restaurants

  • ‪Old Town Tavern Key West - ‬9 min walk
  • ‪Southernmost Beach Café - ‬1 min walk
  • ‪Southernmost Point Bar In the USA - ‬5 min walk
  • ‪Rum Bar at the Speakeasy Inn - ‬5 min walk
  • ‪Banana Cafe - ‬4 min walk

About this property

The Mansion on the Sea - Southernmost House in the USA

Adults-only beach hotel with outdoor pool
The Mansion on the Sea - Southernmost House in the USA offers 18 air-conditioned accommodations with complimentary newspapers and coffee/tea makers. Each accommodation is individually furnished. Pillowtop beds feature premium bedding. 42-inch flat-screen televisions come with premium cable channels. Bathrooms include showers, designer toiletries, complimentary toiletries, and hair dryers. Housekeeping is provided daily.
Recreational amenities at the hotel include an outdoor pool.

The recreational activities listed below are available either on site or nearby; fees may apply.

Make yourself at home in one of the 18 air-conditioned rooms featuring flat-screen televisions. Your pillowtop bed comes with premium bedding. Cable television is provided for your entertainment. Bathrooms feature showers, designer toiletries, and hair dryers.
Take advantage of recreation opportunities such as an outdoor pool or take in the view from a terrace and a garden. Additional amenities at this Victorian hotel include concierge services, gift shops/newsstands, and wedding services.
Grab a bite at Seaside Cafe at Mansion, a café which features a bar/lounge and an ocean view. You can also stay in and take advantage of the room service. Wrap up your day with a drink at the poolside bar. A complimentary continental breakfast is served daily from 8 AM to 10 AM.
Featured amenities include complimentary newspapers in the lobby, multilingual staff, and luggage storage. Self parking (subject to charges) is available onsite.
A complimentary continental breakfast is served each morning between 8 AM and 10 AM.
Seaside Cafe at Mansion - Overlooking the ocean, this café serves lunch and dinner. Guests can enjoy drinks at the bar.
Room service is available.

Languages

English, French, Russian, Spanish

Property amenities

Internet

  • Available in all rooms: WiFi

Parking and public transport

  • Self parking on site (USD 20 per night)

Food and drink

  • Free continental breakfast available daily 8 AM–10 AM
  • 1 restaurant
  • 1 poolside bar and 1 bar
  • Room service available
  • Coffee/tea in a common area

Restaurants on site

  • Seaside Cafe at Mansion

Things to do

  • Outdoor pool
  • Shopping

Conveniences

  • Free newspapers in reception
  • Front-desk safe
  • Gift shop/newsstand
  • Reception hall

Guest services

  • Concierge services
  • Daily housekeeping
  • Front desk (limited hours)
  • Luggage storage
  • Multilingual staff
  • Porter/bellhop
  • Tour/ticket assistance
  • Wedding services

Outdoors

  • Beach loungers
  • Garden
  • Outdoor furniture
  • Picnic area
  • Pool sunloungers
  • Pool umbrellas
  • Terrace

Accessibility

  • If you have any requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • This property does not have any lifts
  • Upper floors accessible by stairs only
  • Well-lit path to entrance

More

  • Designated smoking areas
  • TV in lobby

Room amenities

Bedroom

  • Air conditioning
  • Bed sheets
  • Pillow-top mattress
  • Premium bedding

Bathroom

  • Designer toiletries
  • Hairdryer
  • Shower
  • Towels

Entertainment

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

Food and drink

  • Coffee/tea maker

More

  • Free newspapers
  • Individually furnished
  • Iron/ironing board
  • Local maps

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

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

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
  • Resort fee: USD 30.78 per accommodation, per night
The resort fee includes:
  • Beach loungers
  • Beach towels
  • Concierge service
  • Housekeeping
  • In-room bottled water
  • In-room coffee
  • In-room safe
  • Internet access
  • Lending library access
  • Pool access

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

Optional extras

  • Self parking fee: USD 20 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

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

The Mansion on the Sea - Southernmost House in the USA Reviews

Reviews

9.4

Exceptional

Rating 10 - Excellent. 739 out of 1004 reviews
Rating 8 - Good. 173 out of 1004 reviews
Rating 6 - Okay. 62 out of 1004 reviews
Rating 4 - Poor. 18 out of 1004 reviews
Rating 2 - Terrible. 12 out of 1004 reviews

9.4/10

Cleanliness

9.4/10

Staff & service

9.2/10

Amenities

9.0/10

Property conditions & facilities

9.2/10

Eco-friendliness

Reviews

10/10 Excellent

John

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Thanksgiving getaway
Stayed 3 nights in Nov 2024

6/10 Okay

REID

Travelled with partner
Liked: Cleanliness, staff & service
Disliked: Property conditions & facilities
The property owners upgraded the bar area for optimum profitability but have regretfully neglected the hotel grounds especially the bungalows by the pool area. Food and bar servers are excellent. For the price you pay the continental breakfast could be upgraded.
Stayed 4 nights in Nov 2024

10/10 Excellent

Christopher

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Get outside of the standard hotel setting and enjoy a personal experience at the Mansion. Beautiful old home with great character, wonderful staff (Nina was super friendly and happy to engage in historical conversations), amazing food on premise (owner's son) at the Seaside Cafe, and the location is absolutely perfect. Ideal sunrise and sunset location, on the south end of Duval St, this is the perfect place to start and finish your daily exploration of the island. Highly recommend
Stayed 4 nights in Nov 2024

10/10 Excellent

Betty

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Adults only. Interesting history. Loved our room. Very quiet. Staff very pleasant and helpful, like we were right at home. Dining was great. Would definitely recommend.
Stayed 2 nights in Nov 2024

8/10 Good

Michael

Stayed 1 night in Nov 2024

10/10 Excellent

Junko

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Ocean view was great.
Stayed 3 nights in Nov 2024

10/10 Excellent

Janet

Travelled with family
Liked: Cleanliness, staff & service, property conditions & facilities
It is a well maintained historical home with beauty and charm
Stayed 5 nights in Nov 2024

10/10 Excellent

Andrea

Liked: Cleanliness, staff & service, property conditions & facilities
Stayed 3 nights in Nov 2024

8/10 Good

Paul

Liked: Cleanliness, staff & service, property conditions & facilities
The property was well located at one end of Duval St. Staff were welcoming and friendly throughout our stay. The room was very nice with a comfortable bed. Unfortunately, there were roadworks directly outside the hotel during our stay which created a lot of noise from early morning and meant we couldn’t make use of the lovely balcony. Check with the hotel if the roadworks have cleared before booking your stay, or ask for a room not facing the works.
Stayed 2 nights in Nov 2024

10/10 Excellent

sean

Travelled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Beautiful oasis in Key West
Stayed 3 nights in Oct 2024

10/10 Excellent

Jamie

Travelled with partner
Liked: Cleanliness, staff & service, property conditions & facilities
Amazing and kind staff. Lovely stay.
Stayed 2 nights in Oct 2024

10/10 Excellent

Sarah

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
A perfect stay
A unique hotel, staff were amazing and rooms, pool and area was fabulous. Will definitely be returning.
Stayed 3 nights in Oct 2024

10/10 Excellent

Elisa

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Staff is fantastic, breakfast is delicious, location cannot be beat!!! The cottages have a gorgeous view of the ocean and the sunrise! Will definitely recommend and stay here again!
Stayed 1 night in Oct 2024

10/10 Excellent

Andrea

Travelled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Everything was great except for the “playboy party” that was for the public but made it so we had to vacate the property! The pool then was invaded by gross disgusting people (1200 came to this!) and we decided NOT to use it until it was shocked the next day…. That was a one day we could not use it! I think we should have been compensated. Otherwise it was a beautiful site and I definitely would stay again.
Stayed 3 nights in Oct 2024

10/10 Excellent

Roman, Bellevue

Stayed 1 night in Oct 2024

10/10 Excellent

Theresa, Stockbridge

Liked: Cleanliness, staff & service, property conditions & facilities
Stayed 5 nights in Oct 2024

10/10 Excellent

Regina

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Great stay
Wonderful historical hotel in perfect location. Nice restaurant on the water. Will definitely visit again. All the employees were awesome
Stayed 2 nights in Oct 2024

10/10 Excellent

Lynann

Amazing time
Stayed 5 nights in Oct 2024

10/10 Excellent

Lori

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We absolutely LOVED it! Our room was beautiful with fabulous ocean views. The pool was magical, both day and night, also with an ocean view. The staff was extremely friendly and helpful. We can't wait to return!
Stayed 10 nights in Oct 2024

10/10 Excellent

Regina

Liked: Cleanliness, property conditions & facilities, room comfort
Perfect
Great hotel perfect location, excellent service and the room is wonderful
Stayed 1 night in Oct 2024

10/10 Excellent

Stella

Stayed 3 nights in Oct 2024

6/10 Okay

roger

Travelled with partner
Liked: Cleanliness
Disliked: Amenities, property conditions & facilities
Significant construction during entire stay. Very loud and not relaxing. Several hidden charges to park golf cart rental. Delayed checkin
Stayed 4 nights in Oct 2024

10/10 Excellent

Edward

Liked: Cleanliness, staff & service, property conditions & facilities
Property was very clean, staff was very pleasant and helpful. Wull stay again on my next trip to Key West.
Stayed 2 nights in Oct 2024

4/10 Poor

alain

Liked: Staff & service
Disliked: Cleanliness, property conditions & facilities
Extremely onerous for what it is. Staff is very friendly but it priced like a 5 stars or more and you get barely a 3 stars.
Stayed 1 night in Oct 2024

6/10 Okay

Robert

Travelled with partner
Liked: Staff & service
The history of the place and great view of ocean from our balcony
Stayed 2 nights in Sep 2024