Isla Bella Beach Resort & Spa
1 Knights Key Blvd, Marathon, FL 33050, Marathon, United States
5-star hotel
Guest rating: 4.4 / 5
Overview
Isla Bella Beach Resort & Spa is a 5-star, upmarket beachfront resort in Marathon in the Florida Keys, set on 24 acres just off Highway 1 on the Atlantic Ocean. It has a strong public reputation, with a 4.4/5 rating from 2,795 reviews. The property combines a beachside setting with a full-resort layout designed for spending most of your time on-site.
Rooms & Suites
Bright rooms feature terraces with ocean views, plus free Wi‑Fi, smart TVs, safes, minifridges, and coffeemakers. Bathrooms include rainfall showers. Interconnecting room options can accommodate up to 6 guests, while suites add kitchenettes and separate living rooms for longer stays or more space.
Dining & On-site Services
Dining includes a breezy Italian restaurant/bar with a patio, a casual poolside eatery, a market for grab-and-go needs, and a beachfront bar known for regular live music. Reviews frequently point to enjoyable food options and shopping/market items, though some guests report occasional slow service for poolside orders. The overall atmosphere is often described as elegant yet relaxed.
Amenities & Recreation
Recreation is a major focus here, with five outdoor pools, a spa, and a gym. The resort also offers loaner bikes and kayaks, and it has a private dock for easy access to the water. These features support a stay built around beach time, pool time, and getting out on the Keys’ waterways.
Location & Nearby Highlights
The resort sits at 1 Knights Key Blvd on Knights Key, just 157 m from the Knights Key point of interest. It’s about 2.0 km from the Turtle Hospital and roughly 3.3–3.5 km from the Old Seven Mile Bridge, Seven Mile Bridge, and Pigeon Key, putting classic Keys landmarks close by. Sombrero Beach is about 3.9 km away, while Bahia Honda Key and Bahia Honda State Park are about 14.1–14.6 km away; other nearby options include Sombrero Reef (about 8.8 km) and Florida Keys Aquarium Encounters (about 9.5 km).
Best for
This resort best suits travelers who want a full-service Florida Keys stay where you can spend most days on-site, thanks to five outdoor pools, a spa, a gym, and a private dock. It’s also a strong choice for couples and groups who value ocean-view terraces, live music at the beachfront bar, and easy access to iconic Keys stops like the Seven Mile Bridge and the Turtle Hospital.
Travel tips
If you plan to explore the Keys highlights, map out stops like the Turtle Hospital (~2.0 km) and the Seven Mile Bridge/Pigeon Key area (~3.3–3.5 km) ahead of time to bundle nearby outings. Use the resort’s loaner bikes and kayaks to reduce the need to drive for short trips and to get on the water easily. For poolside dining, consider ordering earlier or building in extra time, as some guests report slow service at peak times.
What guests say
Reviews commonly highlight standout staff service and a welcoming overall atmosphere, with many guests describing the resort as both elegant and relaxed. The setting and layout are repeatedly praised, especially ocean views, the tropical feel, and the breadth of on-site activities. Food and on-site market options are often viewed positively, though pricing is sometimes noted as high. A recurring downside mentioned is occasional slow service for poolside food orders, particularly during busy periods.
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