Isla Bella Beach Resort & Spa

Hotel, 5-star1 Knights Key Boulevard, MM 47, Marathon, Florida, 33050, Marathon, FL, United StatesShow on map

You won’t be charged yet

Top rated

Guests rate it highest for service, location and rooms.

Check-in from 4:00 PMCheck-out by 11:00 AM. The front desk is staffed around the clock, so a late arrival is fine.
Exceptional locationGuests rate the location 10.0 out of 10, at 1 Knights Key Boulevard, MM 47, Marathon, Florida, 33050.
Breakfast availableIncluded on some rates — the board is shown on each room.

Luxury Beachfront Stay

Relax and Rejuvenate at the Spa Indulge in massages, body treatments, and facials at our spa for a truly pampering experience.

Endless Recreational Activities Enjoy 5 outdoor swimming pools, a steam room, and a fitness center during your stay for ultimate relaxation and leisure.

Delight in Culinary Experiences From the hotel's restaurant, II Postino, to the poolside bar and coffee shop, savor delicious meals and drinks at your convenience.

What this place offers

Elevator
Fitness facilities
ATM/banking
Gift shops or newsstand
Shopping on site
Hiking/biking trails nearby
Breakfast available (surcharge)
Personal motorized watercraft on site
Safe-deposit box at front desk
Free newspapers in lobby

Rooms

9.0

Top rated

Rated 9.0 out of 10 by 389 guests who stayed here.

Cleanliness7.1
Service10.0
Location10.0
Rooms9.6
Amenities9.6
Value9.6
Food & drink6.1

Guests mention

Stunning locationSpacious and comfortable roomsCourteous staff

davidmM9861FD
January 2026
Nice weekend getaway!
The location and views were absolutely stunning! The vibe was amazing, and the rooms were spacious and very comfortable. The food was just okay, but the service and staff were outstanding—special shoutout to Annie at the…
jennifers457
December 2025
Perfect for multi generational family trip
We were there to celebrate my husband’s 40th birthday. We had our sons with us, 6, 7, and 11 years old. My in-laws also came with us (60s). It went great. There was something for everyone. Beach, pools, games,…
MarkKunisATLANTA, GEORGIA
December 2025
Little things
Tv issues: not enough apps. No ABC.
Staff was very courteous but many had trouble understanding English.
It would be great if you had a few Pickleball courts.
LoisNCNYLELAND, NORTH CAROLINA
December 2025
Outstanding staff and spacious rooms
Helpful staff everywhere we went. Grounds are well kept. Rooms are spacious and attractively decorated.
pavelg685
December 2025
Utterly disappointed
This might have been a good place to visit about 10-15 years ago, but our visit was anything but enjoyable. Our room was borderline filthy, and generally, everything seems neglected, tired, desperately needing deep…
jfdSCOTTSDALE, ARIZONA
December 2025
lovely property
Beautiful property with large ocean facing rooms and good size balcony. Along a long stretch of the coast with a small swimmable beach that could use some improvement. Numerous pools spread out. The marketplace was cute…

Reviews are written by guests who booked through our supplier and stayed, shown as written and in their own language. Category scores are the supplier’s reading of recent reviews, updated January 2026.

Where you’ll be

1 Knights Key Boulevard, MM 47, Marathon, Florida, 33050, Marathon, FL, United States

Guests rate the location 10.0 out of 10 — exceptional.

Top attractions

Seven Mile Bridge (Old Seven Mile Bridge)500 m
Pigeon Key800 m
The Turtle Hospital3.0 km
Dolphin Research Center7.0 km
Key West Historic District (Duval Street & Mallory Square)70.0 km

Airports

Florida Keys Marathon Airport (MTH)3.0 km
Key West International Airport (EYW)70.0 km

Nature

Sombrero Beach3.5 km
Crane Point Museum & Nature Center5.0 km
Bahia Honda State Park28.0 km

Things to know

Cancellation

Each room shows its own terms before you pay.

Most rates can be cancelled free until a date shown on the room.

Non-refundable rates are marked as such.

House rules

Check-in from 4:00 PM until 03:00 AM

Check-out by 11:00 AM

No children

Pets allowed on request; charges may apply

No smoking anywhere on the property

Front desk staff will greet guests on arrival at the property.

Pets. Maximum number of pets per room 2

General. Individually-wrapped food options are available for dinner

Sustainability Certifications. Property confirms they are implementing guest safety measures

Pets. Service animals are exempt from fees/restrictions

General. Individually-wrapped food options are available for breakfast

General. Individually-wrapped food options are available for lunch

General. Guest accommodation is sealed after cleaning

General. Guests are provided with free hand sanitizer

General. Individually-wrapped food options are available

General. Bed sheets and towels are washed at a temperature of at least 60°C/140°F

General. Staff wears personal protective equipment

Pets. Pets allowed

General. Food service has been amended for enhanced safety

General. Property is cleaned with disinfectant

General. Individually-wrapped food options are available through room service

General. Social distancing measures are in place

General. Professional property host/manager

Children and extra beds. No cribs (infant beds) available

General. Property follows sanitization practices of SafeStay (AHLA - USA)

Sustainability Certifications. Property confirms they are implementing enhanced cleaning measures

General. Commonly-touched surfaces are cleaned with disinfectant

Health & Safety. Property does not require health documentation at check-in

General. Shield between guests and staff in main contact areas

Pets. Only dogs are allowed

Pets. Service animals are allowed

Payment & property

Paid when you book, not at the desk.

Rates include the taxes and fees we can read.

The property may take a card at check-in for incidentals.

Reservations are required for massage services and spa treatments. Reservations can be made by contacting the hotel prior to arrival, using the contact information on the booking confirmation. Up to 3 children 18 years old and younger stay free, per registered adult, when occupying the parent or guardian's room, using existing bedding. The property has connecting/adjoining rooms, which are subject to availability and can be requested by contacting the property using the number on the booking confirmation. The property allows pets in specific rooms only and has other pet restrictions (surcharges apply and can be found in the Fees section). Guests can arrange to bring pets by contacting the property directly, using the contact information on the booking confirmation. A deposit may be required at the property.

What we’d check for you here

How many rooms they will hold at once, for how long, and on what terms.
That the step-free room is actually free on your dates, and whether it is a roll-in shower or a bath, which the listing never says.
That the desk is staffed when you land, and that the room is held past cut-off.
Whether there is room for a pickup, a trailer or a van, not just a car.
Whether breakfast is in the rate or added at checkout, and what time it runs.
Whether the rate moves for your dates, and what it includes.
What the property actually charges at the desk on top of the rate.

Questions about Isla Bella Beach Resort & Spa

What time is check-in and check-out at Isla Bella Beach Resort & Spa?

Check-in is from 4:00 PM. Check-out is by 11:00 AM. If you're arriving late, tell us and we'll ask the property to hold the room.

Does Isla Bella Beach Resort & Spa allow pets?

Yes — the property states that pets are allowed. Size, number and fee are set by the property rather than by us, so say you're bringing a pet when you book and we'll confirm the terms before anything is charged.

Is there parking at Isla Bella Beach Resort & Spa?

Parking is listed among the property's facilities. Whether it's free and whether a space can be reserved varies, so we check it against your dates rather than promise it here.

Does Isla Bella Beach Resort & Spa have a pool?

Yes — a pool is listed among the property's facilities. Seasonal closures are common, so we'll confirm it's open for your dates.

Is breakfast included at Isla Bella Beach Resort & Spa?

Breakfast is offered at the property. Whether it's included depends on the rate — the board type is shown on each room once you put your dates in.

Does Isla Bella Beach Resort & Spa have Wi-Fi?

Yes — internet access is listed among the property's facilities.

Can I book a block of rooms at Isla Bella Beach Resort & Spa?

The property lists meeting and banquet space, which usually means it handles group business — but how many rooms it will hold at once, for how long, and at what rate are set case by case and are not in any feed. Tell us the dates and the number of rooms and we'll get those terms from the property in writing before anything is charged.

Does Isla Bella Beach Resort & Spa have wheelchair accessible rooms?

The property lists step-free or accessible facilities. That flag is the one least able to settle the question: a hotel can carry it and still have a step at the entrance, or a bath rather than a roll-in shower, and it does not say whether the accessible room is free on your dates. Tell us what you need and we'll ask the property directly rather than reading you the flag.

Can I check in late at Isla Bella Beach Resort & Spa?

The property lists a front desk staffed 24 hours, so a late arrival should be possible. Standard check-in is from 4:00 PM. Rooms are still released after a cut-off at some properties regardless of the desk hours, so tell us your arrival time and we'll have them hold it.

How do I book Isla Bella Beach Resort & Spa?

Put your dates in above and book online, or call (888) 789-8585 and we'll do it for you — including things a booking form can't handle, like a block of rooms, a monthly rate or an invoice for your employer.

Where is Isla Bella Beach Resort & Spa?

1 Knights Key Boulevard, MM 47, Marathon, Florida, 33050, Marathon, FL.

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