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9.2 / 10 Guest Rating

Southernmost House

1400 Duval Street, Key West, Florida, 33040, Key West, US

Southernmost House - main view

About the Property

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!

Facilities & Amenities

Free breakfast
Boat tours nearby
Parasailing nearby
Terrace
Garden
Luggage storage
Continental breakfast
Designated smoking area
Concierge service
Wheelchair accessible

Important Information

Check-in & Out

Check-in
Check-out11:00 AM

Property Notes

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.

Check Room Availability

1 night · 2 adults

No rooms available

We couldn't find any available rooms for these dates and guests. Try adjusting your search criteria.

Guest Reviews

9.2
Exceptional212 verified reviews
AI Summary

Guests highly rate the excellent service and frequently praise the beautiful location.

Categories

Cleanliness9.2
Service9.7
Location9.7
Room Quality9.1
Amenities9.0
Value for Money8.4
Food and Beverage9.2
Overall Experience9.3

Select topics to read reviews

G
greennd013COLONIA, NEW JERSEY
Verified booking
Family
Standard Room
Stayed in Feb 23, 2026

"Outstanding!"

10.0

We have been celebrating our wedding anniversary at the Southernmost House for the past 9 years. The people working there, Kathrine, Duffy and Marvin were outstanding with their service. This year the pool wasn't heated until the last day so Katherine gave us a generous rebate on our bill. The atmosphere is outstanding, the pizza from the Cafe is delicious and the drinks cold and refreshing. We have already booked for next year!

Helpful?
M
Masahiro_OhataMINATO, TOKYO, TOKYO PREFECTURE, KANTO
Verified booking
Family
Standard Room
Stayed in Feb 13, 2026

"アメリカ最南端で最高のステイ"

10.0

建物自体は古いがよく整備されており不都合は無かった。 清掃も行き届いておりスタッフがホテルを愛しているのが分かる。 Mr.Johonnysはユーモアたっぷりにホテルを説明してくれました。 海に最も近い部屋(101号室)にしてくれたので部屋から波の音を聞けました。 朝日も特等席から拝めます。 The building itself is old, but well maintained and there were no problems. It was also well-cleaned, and it was clear that the staff love the hotel. Mr. Johonnys explained the hotel to me with a lot of humor. He gave me the room closest to the ocean (Room 101), so I could hear the sound of the waves from my room. I could also watch the sunrise from my special seat.

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V
V4383TKjennifermBRISTOW, PRINCE WILLIAM COUNTY, VIRGINIA
Verified booking
Couples
Standard Room
Stayed in Feb 8, 2026

"Two day stay"

6.0

Decided to book the Southernmost house based on the high reviews for our first time in Key West. The main house was beautiful, staff friendly and helpful. Breakfast in the morning was quite nice and laid out very well. This is why I gave it a 3 and not a 4.5 or 5. We had the bungalow room right on the water. The room was musty, and run down. To fix the toilet paper roll from slipping off, a bandaid was used . When I went to pick up our jacket off the couch , my dark coat was covered with these bugs. The couch was infested . (When I looked them up it turned out to be harmless book lice , but that’s beside the point it was gross) . The outside of the room looks like it hadn’t been maintained in years , a little sandpaper and paint would help. For $1000 a night I was quite shocked that management allowed the outside and this particular room go by the wayside. Time and sea air has taken its toll on this building.

Helpful?
B
bdsengineer
Verified booking
Couples
Standard Room
Stayed in Jan 11, 2026

"Nice stay, friendly staff, questionable maintenance"

8.0

Great location, good ambiance but very hectic. Friendly staff. Pool area was nice. They advertised a 20% discount at the restaurant but refused to honor it without a manager’s approval (who went home sick). AC seemed to discharge black specs over the bed. ?? Maybe better cleaning was required.

Helpful?
K
K6546AQanneb
Verified booking
Family
Standard Room
Stayed in Jan 9, 2026

"Happy Hour - Sunset"

10.0

Marvin was fabulous!! He was attentive, professional and friendly during the busiest part of the day, sunset! Highly recommend this establishment!

Helpful?
A
armandosV6093EE
Verified booking
Couples
Standard Room
Stayed in Dec 7, 2025

"The best bar none"

10.0

Great experience the history of this house is unbelievable. The staff was very friendly, and the manager was super nice. She gave us a great history story of the house. If you ever are visiting Key West you must stay here. Awesome will come back for sure

Helpful?
J
jackiesK2768JC
Verified booking
Couples
Standard Room
Stayed in Dec 6, 2025

"A Restful Week"

10.0

The hotel's history and architecture are so interesting. We arrived early and were able to check in. The front desk and all the staff we met were friendly and helpful. The rooms were clean and comfortable and made up every morning. Being as this is a small hotel, it is very quiet. The heated pool was never crowded. In the evening, we were able to walk just past the pool and watch the most beautiful sunset. Breakfast was quite good with fresh fruit, savory and sweet pastries, boiled eggs, yogurt, juice, and of course, coffee. There is a bar and grill within steps of the hotel. The Zero Marker is now next door, but you are never bothered by the sightseers. The only negative is a lack of elevator, and we were on the third floor - got our steps in!

Helpful?
5
557lizabethh
Verified booking
Couples
Standard Room
Stayed in Dec 3, 2025

"Lovely Key West Experience"

10.0

My husband and I had the pleasure of staying at the Southernmost House Key West over the Thanksgiving holiday. Best Location in Key West in our opinion. : ) We did it right and booked the lovely 2nd floor king room with the large oceanfront balcony overlooking the sea and the infinity pool. And....... What a view! The room was spacious with a beautiful antique four poster bed which was extremely comfy and the sheets were so soft! The A/C worked beautifully and there was a dehumidifier in the room which was GENIUS! : ) The weather was perfect our entire stay, the daily "continental" Breakfast included was extremely satisfying with the most heavenly pastries - sweet as well as savory, bountiful fresh fruit, yogurt, cereal, breads, hard boiled eggs and coffee with instrumental music piped into the breakfast room. A small fridge was available 24/7 with plenty of bottled waters available for the guests. The pool was clean and quiet with plenty of loungers w/umbrellas for guests. The pool towels available could have been more plentiful -- they seemed to run out by day's end and with the pool access to guests being 24/7, I would have enjoyed an evening swim, but there were no more fresh towels. The onsite restaurant and bar adjacent to the mansion is excellent - drinks were fresh and strong, service attentive and the food was always tasty. No real complaints here by any means but just a few possible suggestions for the future: For whatever reason, there was always a "maintenance" person in the breakfast room between 8:00am - 10:00am which is when the breakfast is served, and I think that sweeping, drilling, washing windows, etc. could be curtailed to before or after that time as a courtesy to the dining guests. This is an Adult Only property and would have been nice to have bathrobes available in guest rooms and maybe even champagne mimosas offered at breakfast to elevate the "romance" factor or overall experience. Finally, cudos to all of the staff members who were always courteous and helpful - and a special thanks to the night manager, Dean and the day manager, Judith (she was kind enough to be able to extend our stay for a later checkout!) Nice people to have on staff. We are already planning our next getaway to Key West, and we will definitely be back to this lovely gem! Beth & Paul Hadley, Indiana

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M
MJBobbleheadsPITTSBURGH, PENNSYLVANIA
Verified booking
Couples
Standard Room
Stayed in Nov 29, 2025

"Perfect romantic getaway"

10.0

The staff were very nice. The place was nice and quiet. The room was spacious and clean. The location was very easy to find and walkable to places. We would definitely revisit the place.

Helpful?
R
Relax21025503655
Verified booking
Couples
Standard Room
Stayed in Nov 1, 2025

"Wonderful place producing tremendous experience and memories!"

10.0

The Southernmost House was a wonderful place for our trip! It is located close to the Southernmost Point Buoy. We walked to restaurants when we didn’t eat at the hotel’s diner; which the food was delicious plus the service was top notch. We walked straight up Duvall Street all the way to Mallory Square. So many things to see and experience! The beauty and history of the hotel was so alluring. Our first trip to Key West, 5 years ago, was fun, but we discovered the Southernmost House and vowed to stay there when we returned. It did not disappoint. The rooms were clean, spacious and comfortable. Access was good as we were on the first floor. Breakfast was amazing as they had all kinds of fruits, proteins and pastries. All situated on the east side of hotel overlooking the pool and Atlantic Ocean. We chose to eat outside on the patio overlooking the same view. The staff were really mindful, professional and took care of everything we could have imagined. We will stay there again!!!

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