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.
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.
Free membership gives you access to preferred rates, exclusive benefits and current promotions for your stay.
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.
The room is on the second or third floor. Its private balcony has seating above the beachfront.
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 bedside cabinets and lamps frame the sleeping area, with blue patterned curtains and cushions adding color. Dark geometric carpet contrasts with the pale furniture. Woven seating, a cushioned bench and small round tables furnish the balcony, with space to sit outside as well as at the desk.
The glass shower enclosure is separate from the bathing area. A double quartz vanity has dark storage cabinets below and a large lit mirror above. Light tiles cover the walls, while smaller mirrors complete the wash area. The counter provides room beside the basins for toiletries.
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...
The room is at ground level. Its private veranda has a walkout straight to the beachfront.
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 space a lounge layout. Inside, white bedside furniture and table lamps sit against blue patterned curtains and cushions. A writing table and rolling chair add a workspace beside the windows. Dark geometric carpet brings a stronger pattern beneath the pale furnishings.
The bathroom keeps the glass shower apart from the bathing area. A double quartz vanity has dark drawers and cupboards below the light counter. White tiled walls and a large lit mirror frame the wash area. A smaller adjustable mirror sits beside the basins, and the shower has a glass door with a metal handle.
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...
The suite is on the second or third floor, with outdoor seating on its own private balcony.
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 window, while a writing area sits along the opposite wall. White furniture, blue patterned curtains and cushions continue through both rooms. Framed artwork hangs in the bedroom, and a round wall decoration adds color to the lounge. Floor lamps stand on either side of the sofa.
Glass doors lead to private outdoor seating with woven chairs, a cushioned bench and small tables. Each bathroom has a large shower. White tiled walls and pale counters contrast with dark storage cabinets in the wash areas. A lit mirror hangs above the vanity, while the bedroom has its own armchair and bedside drawer cabinet.
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...
This two-bedroom category is on the second or third floor and has a private furnished balcony.
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 armchair and small round table sit nearby. The second bedroom has its own bedside storage, reading chair and framed artwork. White furniture and blue fabrics connect the rooms, with darker patterned carpet beneath the beds.
Woven chairs and a cushioned bench sit around low tables outside. The master bathroom has a large shower, and the second is a full bathroom. Light tiles and pale counters contrast with the dark vanity cupboards. Mirrors span the wash area above the basins, which have storage below. A smaller adjustable mirror sits at the side of the counter.
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...
Set on the second or third floor, the suite has its own balcony with outdoor seats.
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 the lounge remains available when someone turns in. White furniture, blue patterned fabrics and framed bird artwork run through the interiors. Floor lamps stand to each side of the sofa, and a woven armchair sits beside the dining area.
The kitchenette has a sink, light counters and white cupboards above and below. This area adjoins the lounge and dining space, apart from the bedroom. Glass doors open to outdoor furniture arranged around small tables. The bathroom has a walk-in shower and dark cupboards beneath a pale counter. A lit mirror hangs on the tiled wall above the vanity.
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...
This suite is on the ground floor, with a walkout from its veranda to the beachfront.
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 curtains and cushions bring color to the white walls and bedside furniture. A writing area shares the living room with the television, while floor lamps and a small side table sit beside the sofa. The bedroom has its own armchair, drawer cabinet and framed artwork.
Glass doors link the indoor seating to a private furnished veranda. Outside, woven chairs and a cushioned bench provide places to sit around low tables. The bathrooms have large showers, light tiled walls and dark vanity cabinets. An illuminated mirror and counter space above the storage add useful detail to the bathroom layout.
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...
These rooms are on the ground floor. Their private veranda opens straight onto the beachfront.
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, a woven chair and small round table sit by the window. Framed bird artwork hangs above the bed. The main bedroom has a writing table and a rolling chair, with room to work away from the bedside.
A cushioned bench and woven chairs surround low tables outside. The master bathroom has a large shower, while the other bathroom is a full bath. Light wall tiles contrast with dark cupboards beneath pale counters, with mirrors extending above the wash area. The vanity has drawers and an open shelf below the basins.
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,...
The residence is on the ground floor, where its private veranda opens onto the beachfront.
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 division between sleeping and shared space. Blue and white fabrics sit against pale walls, with patterned carpet underfoot. Framed artwork adds color to the rooms. In the lounge, floor lamps stand on either side of the sofa, while a woven armchair sits near the dining area.
White cupboards and a light counter define the kitchenette, with a sink and storage above and below. Glass doors link the rooms to private outdoor seating. Woven chairs, a cushioned bench and low tables furnish this space. The bathroom has a glass shower enclosure and dark cupboards beneath a pale vanity top. A lit mirror hangs above the basin.
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.
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.
1 Knights Key Blvd, Marathon, FL 33050, United States
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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.
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.
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.
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.
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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