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The Mermaid & Alligator

3.5 star property
Adults-only guesthouse with free breakfast and an outdoor pool

Choose dates to view prices

Photo gallery for The Mermaid & Alligator

Relax by the serene pool surrounded by lush foliage and unwind in comfort on the adjacent lounge chairs.
Enjoy cooking and dining in this well-equipped kitchen with a large island, stove, refrigerator, and dishwasher.
Relax in this charming outdoor seating area, complete with a table, bench, and lush greenery.
Welcome to The Mermaid Alligator, where a tropical oasis awaits amidst lush vegetation and palm trees.
Relax in a serene patio surrounded by lush greenery and enjoy comfortable seating under shaded areas.

Reviews

9.8 out of 10
Exceptional

Popular amenities

  • Housekeeping
  • Air conditioning
  • Free WiFi

Room options

Available filters for rooms
Showing 5 of 5 rooms

View all photos for Sunroom - Adult Exclusive

1 bedroom, in-room safe, iron/ironing board, free WiFi

Sunroom - Adult Exclusive

9.8 out of 10
Exceptional
(13 reviews)

Highlights

Air conditioning
Heating
Separate bedroom
Ceiling fan
Bathrobes
Private bathroom
Hair dryer
Daily housekeeping
  • 16 sq m
  • Sleeps 2
  • 1 Queen Bed

View all photos for Garden Room - Adult Exclusive

1 bedroom, in-room safe, iron/ironing board, free WiFi

Garden Room - Adult Exclusive

10.0 out of 10
Exceptional
(7 reviews)

Highlights

Air conditioning
Heating
Separate bedroom
Ceiling fan
Bathrobes
Private bathroom
Hair dryer
Daily housekeeping
  • 16 sq m
  • Sleeps 2
  • 1 Queen Bed

View all photos for Audubon Room - Adult Exclusive

1 bedroom, in-room safe, iron/ironing board, free WiFi

Audubon Room - Adult Exclusive

10.0 out of 10
Exceptional
(6 reviews)

Highlights

Air conditioning
Heating
Separate bedroom
Ceiling fan
Bathrobes
Private bathroom
Hair dryer
Daily housekeeping
  • 20 sq m
  • Sleeps 2
  • 1 King Bed

View all photos for Papaya Room - Adult Exclusive

1 bedroom, in-room safe, iron/ironing board, free WiFi

Papaya Room - Adult Exclusive

9.2 out of 10
Wonderful
(5 reviews)

Highlights

Air conditioning
Heating
Separate bedroom
Ceiling fan
Bathrobes
Private bathroom
Hair dryer
Daily housekeeping
  • 15 sq m
  • Sleeps 2
  • 1 Queen Bed

View all photos for Key Lime Room - Adult Exclusive

1 bedroom, in-room safe, iron/ironing board, free WiFi

Key Lime Room - Adult Exclusive

9.2 out of 10
Wonderful
(12 reviews)

Highlights

Air conditioning
Heating
Separate bedroom
Ceiling fan
Bathrobes
Private bathroom
Hair dryer
Daily housekeeping
  • 15 sq m
  • Sleeps 2
  • 1 King Bed

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About the neighborhood

Map
729 Truman Ave, Key West, FL, 33040

What's nearby

  • Duval Street - 6 min walk - 0.6 km
  • Ernest Hemingway Home and Museum - 8 min walk - 0.7 km
  • South Beach - 9 min walk - 0.8 km
  • Southernmost Point - 11 min walk - 1.0 km
  • Mallory Square - 3 min drive - 1.7 km

Getting around

  • Key West Intl. Airport (EYW) - 8 min drive

Restaurants

  • ‪801 Bourbon Bar - ‬8 min walk
  • ‪Old Town Tavern Key West - ‬7 min walk
  • ‪El Siboney Restaurant - ‬5 min walk
  • ‪Rum Bar at the Speakeasy Inn - ‬8 min walk
  • ‪Viva Argentinian Steakhouse - ‬7 min walk

About this property

The Mermaid & Alligator

Guesthouse near Duval Street
Close to Ernest Hemingway Home and Museum and South Beach, The Mermaid & Alligator provides free full breakfast, a garden, and more. Guests can connect to free in-room WiFi.
You'll also find perks like:
  • An outdoor pool with sun loungers
  • Free self parking
  • An electric car charging station, outdoor furniture, and smoke-free premises
  • Concierge services and luggage storage
  • Guest reviews give top marks for the helpful staff
Room features
All guestrooms at The Mermaid & Alligator include perks such as air conditioning and bathrobes, as well as amenities like free WiFi and safes.
More conveniences in all rooms include:
  • Heating and ceiling fans
  • Tubs or showers, hair dryers, and shampoo

Languages

English

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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 transportation

  • Electric car charging station on site
  • Free self parking on site
  • Wheelchair-accessible parking available
  • Onsite parking includes off-street options

Food and drink

  • Free full breakfast available daily 8:30 AM to 10:00 AM

Things to do

  • Outdoor pool

Conveniences

  • Limited-hour front desk
  • Luggage storage

Guest services

  • Change of bedsheets (on request)
  • Change of towels on request
  • Concierge services
  • Housekeeping (daily)
  • Proposal/romance packages

Outdoors

  • Garden
  • Outdoor furniture
  • Pool loungers

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • No elevator
  • Stair-free path to entrance
  • Well-lit path to entrance
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible parking
  • Wheelchair-accessible registration desk

More

  • 2 buildings
  • 3 floors
  • Built in 1904
  • Smoking not allowed
  • Victorian architecture

Room amenities

Bedroom

  • Bedsheets provided

Bathroom

  • Bathrobes
  • Bathtub or shower
  • Hair dryer
  • Shampoo
  • Soap
  • Toilet paper
  • Towels provided

More

  • Air conditioning
  • Ceiling fan
  • Heating
  • Iron/ironing board
  • Safe

Policies

Check-in

Check-in start time: 3:00 PM; Check-in end time: 6:00 PM
Late check-in subject to availability
Minimum check-in age: 21

Check-out

Check-out before 11:00 AM

Special check-in instructions

The front desk is open daily from 9:00 AM - 6:00 PM
Front desk staffed during limited hours
If you are planning to arrive after 6:00 PM please contact the property in advance using the information on the booking confirmation

Access methods

Front desk (limited hours)

Pets

Pets not allowed (service animals are welcome, and are exempt from fees)

Children and extra beds

Children younger than 21 are not allowed at this adults-only property; all guests 21 and older are welcome

Property payment types

Important information

Fees

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

  • Deposit: USD 1 per accommodation, per stay

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

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card 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 25 years old
This property accepts credit cards; cash is not accepted
Safety features at this property include a fire extinguisher, a smoke detector, and a first aid kit

We should mention

This property does not have elevators
Guests under 21 years old are not permitted at this adults-only property

Property is also known as

The Mermaid Alligator
The Mermaid & Alligator Key West
The Mermaid & Alligator Guesthouse
The Mermaid & Alligator Guesthouse Key West

Frequently asked questions

Does The Mermaid & Alligator have a pool?

Yes, this property has an outdoor pool.

Is The Mermaid & Alligator pet-friendly?

No, only service animals are welcome at the property.

How much is parking at The Mermaid & Alligator?

Self parking is free at this property.

What time is check-in at The Mermaid & Alligator?

Check-in start time: 3:00 PM; Check-in end time: 6:00 PM. Late check-in is available during limited hours.

What time is check-out at The Mermaid & Alligator?

Check-out is at 11:00 AM.

Where is The Mermaid & Alligator located?

Located in Old Town Key West, this guesthouse is within a 10-minute walk of Saint Mary Star of the Sea, Duval Street, and Ernest Hemingway Home and Museum. Florida Keys Beaches and South Beach are also within 15 minutes.

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The Mermaid & Alligator Reviews

Reviews

9.8

Exceptional

Rating 10 - Excellent. 212 out of 246 reviews
Rating 8 - Good. 26 out of 246 reviews
Rating 6 - Okay. 7 out of 246 reviews
Rating 4 - Poor. 0 out of 246 reviews
Rating 2 - Terrible. 1 out of 246 reviews

10/10

Cleanliness

9.8/10

Staff & service

9.6/10

Amenities

9.8/10

Property conditions & facilities

9.6/10

Eco-friendliness

Reviews

10/10

Beautiful property! Tranquil and private
Stayed 1 night in Jul 2025

10/10

Staff was incredible. The location is perfectly located in Old Town. It’s quiet. The breakfast was great. Wonderful experience and my wife and I will certainly be back.
Stayed 1 night in Jul 2025

10/10

Wonderful stay!!
Stayed 3 nights in Mar 2025

10/10

Excellent property on Truman with off street parking. Staff is super friendly and helpful. It’s an easy walk to Duval Street and all the happenings down town. Place is absolutely lovely and will stay again.
Stayed 1 night in Jun 2025

10/10

Excellent stay! We will be back. Great staff. Quiet location. Beautiful gardens. Relaxing pool.
Stayed 4 nights in Jun 2025

10/10

Nice and cozy
Stayed 2 nights in May 2025

10/10

Will stay here again
Stayed 1 night in Feb 2025

10/10

I was honestly blown away by this place! The backyard is truly an oasis - I could’ve sat there all day and have been perfectly content. We were in the Sun Room, it was so cute we definitely want to book the same room again! It was really nice to be able to park at the residence, as another we stayed at required us to park at paid parking. Highly recommend!
Stayed 2 nights in Jun 2025

10/10

Beautiful property and friendly staff!
Stayed 3 nights in Feb 2025

8/10

Been a repeat customer and it doesn’t disappoint.
Stayed 7 nights in Apr 2025

10/10

Beautiful House
Stayed 1 night in Apr 2025

10/10

Absolutely charming, unique, great food and service a hidden gem! Loved the various shady spots to sit and read, nice warm plunge pool! Very helpful staff
Stayed 4 nights in Apr 2025

10/10

Excellent very clean great breakfast
Stayed 6 nights in Feb 2025

10/10

All good!!
Stayed 1 night in Jun 2025

10/10

Great experience. Feels like home!
Stayed 2 nights in Mar 2025

10/10

This was an exceptional B&B! It was so quiet and comfy and I felt so at home. ;Diana went out of her way to reassure me when I had some reservation issues with Expedia. The grounds are beautiful and peaceful and you get served a delicious home cooked breakfast in the garden. I highly recommend it
Stayed 3 nights in Apr 2025

10/10

What a gorgeous property! Comfortable bed/room, delicious fresh breakfasts, quiet garden/patio area, and very convenient to walk into town and everywhere. Would highly recommend!
Stayed 3 nights in Jan 2025

10/10

Beautiful property with great staff
Stayed 1 night in Jul 2024

10/10

We stayed at the Sun room and loved it! The room is beautiful and the view from our private balcony was amazing. The hotel is very calm and quiet and the breakfast is great. We would definitely stay here again!
Stayed 3 nights in Dec 2024

10/10

Excellent location, Friendly and conscientious staff, pleasant outdoor sitting areas and landscaping. We stayed in the "sun room" which is the smallest unit. The home is old but well kept.
Stayed 4 nights in Feb 2025

10/10

It was one of the most relaxing vacations I've had in a while. It is a beautiful property in the perfect location. Never needed a bike or a car. Easy to get everywhere. Gardens and rooms are superb!
Stayed 3 nights in Feb 2025

10/10

Absolutely wonderful!! Beautiful property! Definitely would stay again
Stayed 3 nights in Nov 2024

10/10

Such a beautiful place. The staff was wonderful and the breakfast was amazing. Great location with scooter rentals just down the road.
Stayed 3 nights in Oct 2024

10/10

As a light sleeper I was worried it would be too noisy since we were in the Garden room right off Truman, but it was totally fine. They also provided a white noise machine for super light sleepers. The free breakfast each morning was nice- good variety day to day and filling until lunch. The location is walkable- made for sweaty walks due to the heat in late May, but we loved walking because it helped work off all the key lime pie! The B&B also had a small fridge constantly filled with cold water bottles, which were a godsend for all our walks and to keep hydrated while out and about. We easily walked from the B&B to Mallory square in under 30 min. There are also tons of bike and golf cart rental places nearby so it’s easier to go downtown if you like. All in all a very chill, quiet, and serene place to stay. Felt more personal and historic than the large resorts/hotels closer to downtown- a nice place to retreat at the end of the day after being out on the water or exploring downtown Key West. Would totally stay again!
Stayed 6 nights in May 2025

10/10

Excellent Location and equipped with everything you need to stay!! Loved that garden in front if my room !! Garden Room was mine
Stayed 1 night in Dec 2024