Southernmost House

Adults-only beach hotel with outdoor pool

Choose dates to view prices

Where to?

Dates

November 2025

15

December 2025

Mansion Room #201 - Ocean View with private balcony - Adults Only | Terrace/patio

Mansion Room #106 - Ocean View w/ Direct Pool Access - Adults Only | 1 bedroom, premium bedding, pillowtop beds, individually furnished

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.

Exceptional

Popular amenities

Bar
Room service

Room options

Check availability for these dates

Tonight

Nov 15 - Nov 16

Tomorrow

Nov 16 - Nov 17

All rooms

1 bed

2 beds

Showing 9 of 9 rooms

Premium Ocean View King

Excellent

Highlights

Individually furnished

Air conditioning

Mini-fridge

HDTV

Premium bedding

Separate bedroom

Pillowtop bed

Hair dryer

300 sq ft
Ocean view
Sleeps 2
1 King Bed

Ocean View King

Exceptional

Highlights

Individually furnished

Air conditioning

Mini-fridge

HDTV

Premium bedding

Separate bedroom

Pillowtop bed

Hair dryer

500 sq ft
Ocean view
Sleeps 2
1 King Bed

Courtyard view King

Exceptional

Highlights

Individually furnished

Air conditioning

Mini-fridge

HDTV

Premium bedding

Separate bedroom

Pillowtop bed

Hair dryer

500 sq ft
Sleeps 2
1 King Bed

Premium Ocean View Bungalow King with Kitchenette

Highlights

Deck/patio

Separate sitting area

Individually furnished

Air conditioning

Kitchenette

Refrigerator

HDTV

Premium bedding

500 sq ft
Ocean view
Sleeps 2
1 King Bed and 1 Queen Sofa Bed OR 1 King Bed

Pool View Bungalow Queen with Kitchenette

Very good

Highlights

Patio

Individually furnished

Air conditioning

Kitchenette

Refrigerator

HDTV

Premium bedding

Separate bedroom

400 sq ft
Sleeps 2
1 Queen Bed and 1 Double Sofa Bed

Courtyard View 2 Queen

Exceptional

Highlights

Individually furnished

Air conditioning

Mini-fridge

HDTV

Premium bedding

Separate bedroom

Pillowtop bed

Hair dryer

500 sq ft
Sleeps 2
2 Queen Beds

Partial Ocean View King

Exceptional

Highlights

Individually furnished

Air conditioning

Mini-fridge

HDTV

Premium bedding

Separate bedroom

Pillowtop bed

Hair dryer

500 sq ft
Partial ocean view
Sleeps 2
1 King Bed

Courtyard view Queen ADA

Good

Highlights

Balcony or patio

Individually furnished

Air conditioning

Mini-fridge

HDTV

Premium bedding

Separate bedroom

Pillowtop bed

500 sq ft
Sleeps 2
1 Queen Bed

1-Bedroom Suite with Full Kitchen

Exceptional

Highlights

Separate dining area

Separate sitting area

Individually furnished

Air conditioning

Kitchen

Full-sized refrigerator/freezer

Dishwasher

HDTV

700 sq ft
1 bedroom
Sleeps 2
1 King Bed and 1 Queen Sofa Bed

About the neighborhood

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

Similar properties

3 outdoor pools, pool umbrellas, sun loungers

Pool
Spa
Free WiFi
Restaurant

$249 nightly

Nov 30 - Dec 1

Total with taxes and fees

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

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.

How much does it cost to stay at Southernmost House?

As of Nov 15, 2025, prices found for a 1-night stay for 2 adults at Southernmost House on Dec 1, 2025 start from $239.2, excluding taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

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

9.4

Exceptional

9.6

Cleanliness

9.6

Location

9.6

Staff & service

9.2

Eco-friendliness

9.0

Property conditions & facilities

10/10 Excellent

Willie

Nov 7, 2025

Liked: Cleanliness, staff & service, amenities, property conditions & facilities

Great place with excellent staff.

Stayed 5 nights in Oct 2025

10/10 Excellent

ERIKO

Nov 4, 2025

Liked: Cleanliness, staff & service, amenities, property conditions & facilities

Cozy Hotel ☺️

Stayed 1 night in Nov 2025

10/10 Excellent

Nathan

Nov 10, 2025

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

Jul 13, 2025

Liked: Cleanliness, staff & service, amenities, property conditions & facilities

Really cool place to stay!!

Stayed 2 nights in Jul 2025

10/10 Excellent

Lloyd

Jul 26, 2025

Liked: Cleanliness, staff & service, amenities, property conditions & facilities

Had a great stay highly recommend to friends

Stayed 4 nights in Jul 2025

8/10 Good

Fanny Sarah

Jul 13, 2025

Liked: Cleanliness, amenities

Beautiful area , hotel right on the beach

Stayed 1 night in Jul 2025

10/10 Excellent

Paul

Sep 10, 2025

Liked: Cleanliness, staff & service, amenities, property conditions & facilities

Very enjoyable stay. Thank you.

Stayed 1 night in Sep 2025

10/10 Excellent

Julie

Sep 16, 2025

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

Austin

May 30, 2025

Liked: Cleanliness, amenities, property conditions & facilities

Excellent stay

Stayed 3 nights in May 2025

10/10 Excellent

Kimberly A

Oct 14, 2025

Liked: Cleanliness, staff & service, amenities, property conditions & facilities

The pool /ocean view was beautiful- clean - and so private!! Pool was open for night swimming until 10pm -which was so relaxing!! Bar/restaurant on the premises - comp to your room! Get the Lobster pizza!! Beautiful sunrise viewing! Rooms are clean and cozy! Nice towels and crisp clean bedding. European style breakfast served daily and was very good! Yummy pastries! Staff is very friendly and accommodating! Would definitely stay here again!

Stayed 7 nights in Oct 2025

10/10 Excellent

William

Aug 7, 2025

Liked: Cleanliness, staff & service, amenities, property conditions & facilities

Best property in all of Key West! Quaint, wholesome, and comfortable. Will only go back to Key West as long as I can get a stay at the Mansion on the Sea!

Stayed 2 nights in Aug 2025

6/10 Okay

Kenneth

Nov 10, 2025

Liked: Cleanliness

Room was not what was puctured

Stayed 3 nights in Nov 2025

10/10 Excellent

Deborah

Jul 8, 2025

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

We had a fabulous time in the Keys. Our stay at the mansion was perfect. Everyone made us feel comfortable. Outstanding location and stay. We will visit again.

Stayed 4 nights in Jul 2025

10/10 Excellent

sean

Jul 2, 2025

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Wonderful resort in Key West

The resort is wonderful, very unique. The room was more spacious than anticipated and the pool was awesome! Would definitely come back. Staff was wonderful as well!

Stayed 1 night in Jun 2025

10/10 Excellent

Vicki

May 21, 2025

Liked: Cleanliness, staff & service, amenities, property conditions & facilities

Beautiful property in stellar location. Wonderful staff, excellent accommodations and above and beyond breakfast bar. Convenient to restaurants and shopping. Will definitely stay again!

Stayed 1 night in May 2025

10/10 Excellent

Dawn

Apr 23, 2025

Liked: Cleanliness, staff & service, property conditions & facilities

The staff was excellent and our room was very clean. The location is fantastic. We really enjoyed our stay.

Stayed 4 nights in Apr 2025

10/10 Excellent

Julia

Apr 11, 2025

Great trip!

Stayed 4 nights in Apr 2025

10/10 Excellent

Scott

Apr 27, 2025

Liked: Cleanliness, staff & service, property conditions & facilities

The staff was excellent!!

Stayed 4 nights in Apr 2025

10/10 Excellent

Scott

Aug 23, 2025

Liked: Cleanliness, staff & service, amenities, property conditions & facilities

I will be back! I am hesitant to say how great this place was for fear of more people finding it and limiting my future stays. But I have to say this place was so chil and relaxing that everyone should stay here at least once if not more. I have recommended this place to several of my friends and you will too when you stay here. The bed was comfy, the breakfast was perfect before exploring and the staff was friendly and courteous. I am looking forward to our return trip, Enjoy!