Southernmost House

Adults-only beach hotel with outdoor pool

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Where to?

Dates

September 2025

October 2025

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

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

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

includes taxes & fees

5 Oct - 6 Oct

Room options

Check availability for these dates

Tonight

Sept 21 - Sept 22

Tomorrow

Sept 22 - Sept 23

All rooms

1 bed

2 beds

Showing 9 of 9 rooms

Ocean View King

Exceptional

Highlights

Individually furnished

Air conditioning

Mini-fridge

HDTV

Pillow-top bed

Separate bedroom

Premium bedding

Designer toiletries

46 sq m
Ocean view
Sleeps 2
1 King Bed

Courtyard view King

Exceptional

Highlights

Individually furnished

Air conditioning

Mini-fridge

HDTV

Pillow-top bed

Separate bedroom

Premium bedding

Designer toiletries

46 sq m
Sleeps 2
1 King Bed

Premium Ocean View Bungalow King with Kitchenette

Highlights

Deck/patio

Separate sitting area

Individually furnished

Air conditioning

Kitchenette

Fridge

HDTV

Pillow-top bed

46 sq m
Ocean view
Sleeps 2
1 King Bed and 1 Queen Sofa Bed OR 1 King Bed

Premium Ocean View King

Excellent

Highlights

Individually furnished

Air conditioning

Mini-fridge

HDTV

Pillow-top bed

Separate bedroom

Premium bedding

Designer toiletries

28 sq m
Ocean view
Sleeps 2
1 King Bed

1-Bedroom Suite with Full Kitchen

Exceptional

Highlights

Separate dining area

Separate sitting area

Individually furnished

Air conditioning

Kitchen

Full-sized fridge/freezer

Dishwasher

HDTV

65 sq m
1 bedroom
Sleeps 2
1 King Bed and 1 Queen Sofa Bed

Pool View Bungalow Queen with Kitchenette

Very good

Highlights

Patio

Individually furnished

Air conditioning

Kitchenette

Fridge

HDTV

Pillow-top bed

Separate bedroom

37 sq m
Sleeps 2
1 Queen Bed and 1 Double Sofa Bed

Courtyard View 2 Queen

Exceptional

Highlights

Individually furnished

Air conditioning

Mini-fridge

HDTV

Pillow-top bed

Separate bedroom

Premium bedding

Designer toiletries

46 sq m
Sleeps 2
2 Queen Beds

Courtyard view Queen ADA

Good

Highlights

Balcony or patio

Individually furnished

Air conditioning

Mini-fridge

HDTV

Pillow-top bed

Separate bedroom

Premium bedding

46 sq m
Sleeps 2
1 Queen Bed

Partial Ocean View King

Exceptional

Highlights

Individually furnished

Air conditioning

Mini-fridge

HDTV

Pillow-top bed

Separate bedroom

Premium bedding

Designer toiletries

46 sq m
Partial ocean view
Sleeps 2
1 King Bed

About the area

Located in Old Town Key West, a neighbourhood in Key West, Southernmost House 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. Discover the area's water adventures with kayaking and scuba diving nearby, or enjoy the great outdoors with skydiving and ecotours.

Visit our Key West travel guide

1400 Duval Street, Key West, FL, 33040

What's nearby

Duval Street - 1 min walk - 0.0 km
South Beach - 1 min walk - 0.0 km
Southernmost Point - 2 min walk - 0.2 km
Ernest Hemingway Home and Museum - 8 min walk - 0.7 km
Mallory Square - 4 min drive - 1.7 km

Getting around

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

Restaurants

‪Southernmost Beach Café - ‬1 min walk
‪Circle K - ‬5 min walk
‪Southernmost Point Bar in the USA - ‬5 min walk
‪La Te Da - ‬4 min walk
‪Rum Bar at the Speakeasy Inn - ‬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 a speed of 500+ Mbps (good for 6+ people or 10+ devices).

Other perks at this hotel include:

An outdoor pool, along with sunloungers and pool umbrellas
Self-parking (surcharge), a TV in reception and a front desk safe
Free newspapers, a porter/bellboy and luggage storage
Beach towels, a reception hall and multilingual staff
Guest reviews say great things 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 and free newspapers.

Extra amenities include:

Designer toiletries, showers and hairdryers
42-inch HDTVs with streaming services and premium channels
Coffee/tea makers and daily housekeeping

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 transport

Parking on site (USD 25 per night)

Food and drink

Free continental breakfast available daily 8 AM to 10 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 lift

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

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 and check-out are available

Late check-in subject to availability

Minimum check-in age - 18

Check-out

Check-out before 11 AM

Contactless check-out

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

Cots (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 aged under 21 years old staying between 1 March and 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 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

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 21 Sept 2025, prices found for a 1-night stay for 2 adults at Southernmost House on 5 Oct 2025 start from NZ$510.12, including 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 at Southernmost House?

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?

Checkout is at 11 AM.

Where is Southernmost House 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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Southernmost House

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Photo gallery for Southernmost House

Reviews

Popular amenities

Room options

Check availability for these dates

Tonight

Tomorrow

View all photos for Ocean View King

Ocean View King

Highlights

View all photos for Courtyard view King

Courtyard view King

Highlights

View all photos for Premium Ocean View Bungalow King with Kitchenette

Premium Ocean View Bungalow King with Kitchenette

Highlights

View all photos for Premium Ocean View King

Premium Ocean View King

Highlights

View all photos for 1-Bedroom Suite with Full Kitchen

1-Bedroom Suite with Full Kitchen

Highlights

View all photos for Pool View Bungalow Queen with Kitchenette

Pool View Bungalow Queen with Kitchenette

Highlights

View all photos for Courtyard View 2 Queen

Courtyard View 2 Queen

Highlights

View all photos for Courtyard view Queen ADA

Courtyard view Queen ADA

Highlights

View all photos for Partial Ocean View King

Partial Ocean View King

Highlights

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About the area

What's nearby

Getting around

Restaurants

About this property

Southernmost House

Property amenities

Internet

Parking and transport

Food and drink

Restaurants on site

Things to do

Conveniences

Guest services

Outdoors

Accessibility

More

Room amenities

Bedroom

Bathroom

Entertainment

Food and drink

More

Policies

Check-in

Check-out

Special check-in instructions

Access methods

Pets

Children and extra beds

Payment types

Important information

Fees

Optional extras

You need to know

We should mention

Property is also known as

Frequently asked questions

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