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Southernmost House - Adult Exclusive

4.0 star property
The Mansion on the Sea offers a peaceful oceanfront escape near South Beach, where guests can relax by the pool or explore the nearby butterfly conservatory.

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

  • Free Wi-Fi
  • Air-conditioning
  • Parking available
The current price is ₹18,349
₹32,789 total
includes taxes & fees
31 May - 1 Jun

Room options

Available filters for rooms
Showing 9 of 9 rooms

View all photos for Premium Ocean View King - Adults Only

Premium Ocean View King - Adults Only | Premium bedding, pillow-top beds, individually furnished

Premium Ocean View King - Adults Only

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

View all photos for Ocean View King - Adults Only

Ocean View King - Adults Only | Premium bedding, pillow-top beds, individually furnished

Ocean View King - Adults Only

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

View all photos for Courtyard view King - Adults Only

Courtyard view King - Adults Only | Premium bedding, pillow-top beds, individually furnished

Courtyard view King - Adults Only

10.0 out of 10
Exceptional
(6 reviews)
  • 500 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed

View all photos for Premium Ocean View Bungalow King with Kitchenette - Adults Only

Premium Ocean View Bungalow King with Kitchenette - Adults Only | Premium bedding, pillow-top beds, individually furnished

Premium Ocean View Bungalow King with Kitchenette - Adults Only

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

View all photos for Pool View Bungalow Queen with Kitchenette - Adults Only

Pool View Bungalow Queen with Kitchenette - Adults Only | Premium bedding, pillow-top beds, individually furnished

Pool View Bungalow Queen with Kitchenette - Adults Only

8.6 out of 10
Excellent
(8 reviews)
  • 400 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 Queen Bed and 1 Double Sofa Bed

View all photos for Courtyard View 2 Queen - Adults Only

Courtyard View 2 Queen - Adults Only | Premium bedding, pillow-top beds, individually furnished

Courtyard View 2 Queen - Adults Only

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

View all photos for Partial Ocean View King - Adults Only

Partial Ocean View King - Adults Only | Premium bedding, pillow-top beds, individually furnished

Partial Ocean View King - Adults Only

9.8 out of 10
Exceptional
(11 reviews)
  • Partial ocean view
  • 500 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed

View all photos for Courtyard view Queen ADA - Adults Only

Courtyard view Queen ADA - Adults Only | Premium bedding, pillow-top beds, individually furnished

Courtyard view Queen ADA - Adults Only

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

View all photos for 1-Bedroom Suite with Full Kitchen - Adults Only

1-Bedroom Suite with Full Kitchen - Adults Only | Premium bedding, pillow-top beds, individually furnished

1-Bedroom Suite with Full Kitchen - Adults Only

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

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About the area

Located in Old Town Key West, a neighbourhood in Key West, Southernmost House - Adult Exclusive is in the entertainment district and on the waterfront. Duval Street and Southernmost Point are notable landmarks, and the area's natural beauty can be seen at South Beach and Fort Zachary Taylor Historic State Park. Don't miss out on a visit to Key West Butterfly and Nature Conservatory. With kayaking, scuba diving and snorkelling nearby, you'll find plenty of adventures in the water. Visit our Key West travel guide
Map
1400 Duval Street, Key West, FL, 33040

What's nearby

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

Getting around

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

Restaurants

  • Southernmost Beach Café
    1 min walk
  • Seaside Cafe at the Mansion
    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

  • Upscale hotel near Southernmost Point
  • Located close to Key West Butterfly and Nature Conservatory and South Beach, Southernmost House - Adult Exclusive provides free cooked-to-order breakfast, a terrace and a bar. The on-site restaurant, Seaside Cafe at Mansion, offers lunch, dinner and ocean views. Stay connected with free in-room WiFi.
  • Other perks at this hotel include:
    • An outdoor pool, along with sunloungers and pool umbrellas
    • Self-parking (surcharge), smoke-free property and outdoor furniture
    • Coffee/tea in reception and multilingual staff
    • Guest reviews say great things about the helpful staff, first-rate property condition and location
  • Room features
  • All rooms are individually furnished, and offer comforts such as premium bedding and air conditioning, in addition to thoughtful touches such as free WiFi.
  • Extra amenities include:
    • Designer toiletries, showers and hairdryers
    • 42-inch HDTVs with streaming services and premium channels
    • Coffee/tea makers and daily housekeeping

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Property amenities

Internet

  • Available in all rooms: Free WiFi
  • In-room WiFi speed: 100+ Mbps (good for 1–2 people or up to 6 devices)
  • Available in some public areas: Free WiFi

Parking and transport

  • Parking on site (USD 40 per night)
  • Limited on-site self parking
  • Onsite parking includes off-street options

Food and drink

  • Free cooked-to-order breakfast available daily 8 AM to 10 AM
  • A bar/lounge
  • A restaurant
  • Coffee and tea in common areas

Restaurants on site

  • Seaside Cafe at Mansion

Things to do

  • Outdoor pool

Conveniences

  • Limited-hour front desk

Guest services

  • Housekeeping (daily)
  • Multilingual staff

Outdoors

  • 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 lift

More

  • 2 buildings
  • 3 floors
  • Built in 1897
  • Smoke-free property
  • 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

  • Coffee/tea maker

More

  • Air conditioning
  • Individual furnishings
  • Iron/ironing board

Policies

Check-in

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

Check-out before 11 AM

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

Renovations and closures

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

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

Rollaway/extra beds are not available.

Cots (infant beds) are not available

Payment types at the property

Important information

Fees

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

  • Resort fee: USD 33.75 per accommodation, per night
The resort fee includes:
  • Beach towels
  • Concierge service
  • Housekeeping
  • In-room bottled water
  • In-room coffee
  • Pool access

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

Optional extras

  • Self-parking fee: USD 40 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
Cashless transactions are available
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 and terraces, which may not be suitable for children; if you have any concerns, we recommend contacting the property prior to your arrival to confirm that they can accommodate you in a suitable room

We should mention

This property does not have any lifts
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

Frequently asked questions

Does Southernmost House - Adult Exclusive have a pool?

Yes, this property has an outdoor pool. Pool access is from 8:00 AM to 10:00 PM.

How much does it cost to stay at Southernmost House - Adult Exclusive?

As of 18 May 2026, prices found for a 1-night stay for 2 adults at Southernmost House - Adult Exclusive on 31 May 2026 start from ₹18,349, 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 - Adult Exclusive pet-friendly?

No, pets are not allowed at this property.

How much is parking at Southernmost House - Adult Exclusive?

Self-parking is available for USD 40 per night.

What time is check-in at Southernmost House - Adult Exclusive?

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 - Adult Exclusive?

Checkout is at 11 AM.

Where is Southernmost House - Adult Exclusive located?

Located in Old Town Key West, this beach hotel is steps away 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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Reviews

Southernmost House - Adult Exclusive Reviews

9.4

Exceptional

9.6

Cleanliness

9.6

Location

9.6

Staff & service

9.0

Property conditions & facilities
Rating 10 - Excellent. 782 out of 1001 reviews
Rating 8 - Good. 139 out of 1001 reviews
Rating 6 - Okay. 51 out of 1001 reviews
Rating 4 - Poor. 20 out of 1001 reviews
Rating 2 - Terrible. 9 out of 1001 reviews

Reviews

Verified

10/10 Excellent

BOBBY J.

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Fresh continental breakfast, clean room, close to everything.
Balcony
Bedroom
Back of house
Sunrise
Stayed 7 nights in Feb 2026
Verified

10/10 Excellent

Adam

Liked: Amenities, property conditions & facilities
Ocean view, great pool & great staff. Excellent place to stay!
Stayed 2 nights in Feb 2026
Verified

10/10 Excellent

Mary

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Historic property with easy access to everything.
Stayed 5 nights in Jan 2026
Verified

10/10 Excellent

Gregory

Liked: Cleanliness, amenities, property conditions & facilities
Excellent location, friendly staff, great amenities. Very happy we stayed there!
View from our room.
Stayed 3 nights in Jan 2026
Verified

10/10 Excellent

Noelle

Liked: Cleanliness, amenities, property conditions & facilities
Good staff, clean room, nice breakfast, good location
Stayed 6 nights in Jan 2026
Verified

10/10 Excellent

Stephen

Liked: Cleanliness, staff & service, amenities
Fun place, great location, great staff.
Stayed 3 nights in Jan 2026
Verified

10/10 Excellent

kelly

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Wonderful stay!! Comfortable bed and room was gorgeous and so clean! Most amazing and lovely breakfast and dining area inside and out. The staff were the most kind and helpful group especially Dean! We would 100% stay here again!
Stayed 2 nights in Mar 2026
Verified

8/10 Good

Elizabeth

Beautiful location. Clean and friendly staff
Stayed 4 nights in Jan 2026
Verified

10/10 Excellent

Kay

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
My husband and I stayed in room 101 for four nights. Beautiful ocean view and very quiet! Staff were all very friendly and accommodating. We would definitely stay here again.
Stayed 4 nights in Feb 2026
Verified

10/10 Excellent

Jacob

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great place to stay. Staff was very friendly
Stayed 2 nights in Dec 2025
Verified

10/10 Excellent

Elizabeth

Liked: Cleanliness, amenities, property conditions & facilities
Courteous staff, great breakfast and wonderful ocean front location! We were able to go everywhere we wanted on foot.
Back of property
Ocean view
Courtyard by pool
Stayed 3 nights in Jan 2026
Verified

10/10 Excellent

Kathleen

Liked: Cleanliness, amenities, property conditions & facilities
Room spotless and staff were wonderful!
Stayed 3 nights in Dec 2025
Verified

10/10 Excellent

Bradley

Liked: Cleanliness, amenities, property conditions & facilities
Wonderful location, attentive staff and beautiful valentines touches such as sparkling wine and chocolates. Outstanding!
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Judith

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The staff was so friendly and really worked together last me a family. Very hospitable!
Stayed 3 nights in Jan 2026
Verified

10/10 Excellent

Willie

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

8/10 Good

Fanny Sarah

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

10/10 Excellent

John

Liked: Cleanliness, amenities, property conditions & facilities
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.
Stayed 3 nights in Dec 2025
Verified

8/10 Good

Xun

Liked: Cleanliness, amenities
Convenient location. Staff very friendly and accommodating. Nice view. Seaside cafe was great. Moondog pastries available for breakfast. Insulation probably not great and could hear roosters crowing at night even on the top floor.
Stayed 2 nights in Jan 2026
Verified

10/10 Excellent

Renitia

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
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.
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Leslie

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

10/10 Excellent

Leslie

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

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
Verified

8/10 Good

Ian

Liked: Staff & service, amenities
The history of the Mansion on the Sea and its location make it worth staying there.
Stayed 5 nights in Apr 2025
Verified

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
Verified

10/10 Excellent

Dawn

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