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Best for

If your Keys itinerary includes both resort days and outings, use this Marathon base for easy access to Seven Mile Bridge and the beach.

What makes it special

Blue-and-white interiors and floor-to-ceiling glass doors give the resort a distinctly coastal character, keeping the waterfront present even when you step inside.

Room to consider

Consider an upper-floor oceanfront room for a balcony outlook; ground-floor veranda rooms instead offer a beachfront walkout directly from your outdoor space.

Insider tip

Reserve a dinner table at Mahina before arrival if an oceanfront meal is part of your plans, and confirm your preferred seating.

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Isla Bella Beach Resort

Isla Bella Beach Resort is a Florida Keys choice for travelers who want space, water, and resort facilities without staying in Key West. The property sits on Knights Key in Marathon, with 24 oceanfront acres, about one mile of waterfront, 199 rooms and suites, five pools, and a marina. It feels broad and bright, with enough room for families, couples, and groups to spread out.

Premium
4.7/5 36 Member Reviews 71% Upgrade Rate

Rooms

  • 199 199

Hotel Style

  • Charming Charming

Leisure

  • Fitness Fitness
  • Pool Pool
  • Spa Spa
  • Sauna Sauna

Experiences

  • Wellness Wellness
  • Beach Beach

Facilities

  • Wheelchair Accessible Wheelchair Accessible
  • Connecting Rooms Connecting Rooms

Rooms & Suites at Isla Bella Beach Resort

Oceanfront Balcony Room
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Oceanfront Balcony Room

550 sqft
From 484 USD

Large windows and glass doors place the outdoor seating beside the bedroom. A writing table with a rolling chair sits close to the window. White...

Beachside Oceanfront Veranda Room
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Beachside Oceanfront Veranda Room

550 sqft
From 484 USD

Glass doors open from the sleeping area to a private furnished veranda. A cushioned bench and woven chairs sit around low tables, giving the outdoor...

Oceanfront Balcony Suite
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Oceanfront Balcony Suite

825 sqft
From 552 USD

The lounge is separate from the bedroom, with a cream sofa and nested round tables forming its seating area. A woven chair stands beside the...

2 Bedroom Oceanfront Balcony Room
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2 Bedroom Oceanfront Balcony Room

825 sqft
From 556 USD

Separate sleeping rooms have access to private outdoor seating. In the main bedroom, a writing table and rolling chair stand by the window. A woven...

Grand Oceanfront Residence Suite
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Grand Oceanfront Residence Suite

825 sqft
From 630 USD

By the living-room window, a dining table has woven chairs, with a dark sofa and small round table close by. The bedroom is separate, so...

Veranda Suite
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Veranda Suite

825 sqft
From 808 USD

A separate bedroom leads into a living room furnished with a cream sofa, nested round tables and a woven armchair by the window. Blue patterned...

2 Bedroom Oceanfront Veranda
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2 Bedroom Oceanfront Veranda

825 sqft
From 837 USD

Separate sleeping rooms share a furnished veranda. White bedside cupboards, blue cushions and patterned curtains give the rooms a coastal palette. In the second bedroom,...

Residence Beachfront Suite
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Residence Beachfront Suite

825 sqft
From 1’057 USD

A dark sofa, round side table and dining table with woven chairs furnish the living area. The bedroom is separate, giving the suite a clear...

The location shapes the stay. Isla Bella Beach Resort is in Marathon, in the Middle Keys, not in the nightlife core of Key West and not in the quieter Upper Keys. That gives guests a useful central base for a Florida Keys road trip. Key Largo, Islamorada, Bahia Honda, Big Pine Key, and Key West can all fit into a wider plan.

Knights Key is close to the Seven Mile Bridge, one of the clearest landmarks in the Keys. Guests can drive out for sunset, boat trips, fishing, snorkeling, or simple island exploring. The resort is also practical for travelers who want a beach stay without committing every night to the busier Key West scene.

This is not a small hideaway with only a few rooms. It is a full resort, and that matters. The best guests for Isla Bella are those who want pools, dining, activities, water access, and a room with outdoor space. Travelers looking for a tiny, silent inn may prefer another address.

The resort's biggest advantage is scale. Its 24-acre setting gives it more breathing room than many Florida Keys hotels, where land can feel tight. The waterfront runs for about a mile, with sandy beach areas, palms, paths, lawns, and long views over the Atlantic side of Marathon.

The beach is part of a designed resort landscape rather than a wild natural shoreline. That is important to understand. Guests come here for comfort, pools, food service, terraces, and polished outdoor spaces. It is a more managed beach experience than a remote island escape.

That managed style works well for families and multi-generation trips. Parents can use the pools, children have room to move, and couples can find quieter corners. The property is broad enough that the day does not need to revolve around one crowded pool deck.

Isla Bella has 199 rooms and suites, many designed with clean coastal colors and private outdoor space. A major draw is the view: rooms are planned to face the water or the resort's oceanfront setting. Terraces and balconies matter here because the best moments often happen outside the room.

Couples may prefer rooms close to quieter edges of the resort, while families often value space near pools, paths, and easy dining. Suites are useful for longer stays, celebration trips, and guests who want a living area. The room design is not dramatic. It is light, simple, and built around the waterfront.

Travelers should choose category carefully if privacy matters. A ground-floor terrace can feel wonderfully easy for beach days, but a higher or more tucked-away room may feel calmer. The resort is social, especially in high season, so the room's position can shape the stay.

The pool setup is one of the strongest reasons to book. Isla Bella has five oceanfront pools, including a 4,500-square-foot main pool. That gives guests options throughout the day. Some areas feel more active, while others can be better for reading, sun, or a quieter swim.

The marina adds another layer. Guests can arrange fishing charters, harbor cruises, kayak trips, snorkeling, scuba outings, and other water activities. This is where the resort separates itself from a basic beach hotel. It can support a full Keys itinerary without asking guests to build every day from scratch.

The property also suits guests who do not want to leave much. Beach time, pool time, a spa treatment, a casual lunch, and sunset drinks can fill a day easily. That said, the Keys are best when guests explore, so the resort works even better with a car and a few planned outings.

Mahina is the main restaurant and the most polished dining room, with a Polynesian-inspired menu and ocean views. It is open for breakfast and dinner, which makes it the natural anchor for guests staying several nights. The menu brings Pacific and Florida Keys notes together without feeling like a standard hotel grill.

Sushi Cabana adds a different style, with an al fresco setting and a lighter evening mood. The Beach Bar is more casual, close to the water, and useful for seafood, cocktails, and an easy lunch. Burger Palace and Marketplace Cafe round out the choices for quick meals, coffee, and grab-and-go needs.

This variety matters because Marathon is spread out. Guests can dine off property, but many will want at least some nights to stay within the resort. Isla Bella is strongest when the trip needs easy food options for different ages, schedules, and levels of formality.

The Spa at Isla Bella gives the resort a softer side beyond pools and boats. It is useful for couples, wedding guests, and anyone building a rest day between Keys excursions. The spa is not the only reason to come, but it adds polish to a property that could otherwise feel mainly beach-and-family driven.

Families are a natural fit. The resort has space, pools, casual dining, water activities, and rooms that make longer stays easier. Couples can still enjoy it, especially if they choose their room location carefully and use Mahina, the spa, and sunset walks to create a slower rhythm.

Events are another strong use case. The setting has enough visual impact for weddings and group travel, while Marathon is easier to manage than some more crowded Keys towns. Guests can gather in one resort, use the water and dining facilities, and still plan excursions around the islands.

Compared with Key West hotels, Isla Bella Beach Resort is larger, more resort-led, and less nightlife-focused. Compared with many Upper Keys properties, it gives better access to the Middle and Lower Keys. Compared with smaller Marathon inns, it offers far more facilities and a more polished full-service stay.

The main reason to choose it is the combination of 24 acres, 199 rooms, five pools, marina access, multiple restaurants, and a central Keys location. It is not the most intimate hotel in the region, and it is not trying to be. It is built for guests who want space and options.

Travelers seeking a quiet adults-only mood may prefer a smaller property. Guests who want late-night bars outside the door should stay closer to Key West. Isla Bella is best when the trip needs beach time, family comfort, water activities, and a base that makes the Keys feel easy.

Book Isla Bella Beach Resort if you want a luxury beach resort in the Florida Keys with oceanfront rooms, five pools, a marina, spa access, and several dining choices. It is ideal for families, couples who want space, wedding groups, fishing trips, and travelers planning a broader Keys itinerary.

The resort is especially good for guests who want the Keys without giving up convenience. Breakfast at Mahina, a pool morning, a snorkeling trip, and dinner by the water can all happen with little friction. That ease is the hotel's strongest asset.

Choose another hotel if the priority is a small boutique atmosphere, heavy nightlife, or a remote natural beach. Choose Isla Bella when the trip should feel open, practical, and sunny, with enough facilities to keep different travelers happy without leaving Marathon every day.

Why we love this hotel

Why we love this hotel

The resort's 24 landscaped acres and mile of waterfront leave room for unhurried walks beside the water between scheduled activities.

Five oceanfront pools, including an adults-only option, let different travelers find a swim setting that suits their pace during the day.

Every guest room and suite has an ocean view and private outdoor living area, making the waterfront part of daily room time.

Location of ISLA BELLA BEACH RESORT

1 Knights Key Blvd, Marathon, FL 33050, United States

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Weather at Isla Bella Beach Resort

Marathon

What to Know About Isla Bella Beach Resort

Is Isla Bella Beach Resort worth it?

Yes. Isla Bella Beach Resort is worth it for travelers who want a full-service Florida Keys resort in Marathon. The resort has 199 rooms and suites, 24 oceanfront acres, five pools, a sandy beach, spa, marina access, and strong Seven Mile Bridge location.

Where is Isla Bella Beach Resort located?

Isla Bella Beach Resort is at 1 Knights Key Boulevard in Marathon, Florida, near Mile Marker 47. The location places guests close to the Seven Mile Bridge, beaches, fishing charters, snorkeling trips, Key West day trips, and Middle Keys attractions.

How many rooms does Isla Bella Beach Resort have?

Isla Bella Beach Resort has 199 rooms and suites spread across a 24-acre oceanfront property. Every room and suite is designed with an ocean view and outdoor terrace, which is a major reason guests choose the resort.

Which room should I book at Isla Bella Beach Resort?

Book an oceanfront king or queen room if you want a classic Keys stay with a private terrace and sea view. Choose a two-bedroom suite if you are traveling with family, friends, children, or extra gear for fishing and water sports.

Is Isla Bella Beach Resort directly on the beach?

Yes. Isla Bella Beach Resort sits on the oceanfront and has a sandy beach along its waterfront setting. The beach is best for relaxing, sunbathing, views, and resort atmosphere, while many guests use boats for deeper water adventures.

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