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Isla Bella Beach Resort & Spa

4.4
(2,726 reviews)

Business Details

1 Knights Key Boulevard, Marathon, FL
33050, United States
(800) 405-1948

About

ResortHotelEvent VenueWedding Venue

Location

Isla Bella Beach Resort & Spa
1 Knights Key Boulevard, Marathon, FL
33050, United States

Hours

MondayOpen 24 Hours
TuesdayOpen 24 Hours
WednesdayOpen 24 Hours
ThursdayOpen 24 Hours
FridayOpen 24 Hours
SaturdayOpen 24 Hours
SundayOpen 24 Hours

Reviews

4.4
2,726 reviews
5 stars
1,949
4 stars
295
3 stars
162
2 stars
138
1 star
182
  • MB
    M Bailey
    3 days ago
    5.0
    Our stay at Isla Bella Beach Resort was nothing short of paradise. From the moment you pass through the beautiful iron gates, you immediately feel like you've escaped to a private tropical oasis. The entire property is immaculately maintained, and we felt incredibly safe and relaxed throughout our stay. The resort offers several outstanding restaurants and bars, and every meal we had exceeded our expectations. Each evening, live music filled the beautifully lit outdoor spaces, creating an atmosphere that was both elegant and laid-back. With five gorgeous pools to choose from... and with poolside margarita service you never have to venture far to enjoy yourself. Yes, Isla Bella is an expensive resort, but in our opinion, it is absolutely worth every penny. The combination of exceptional service, beautiful accommodations, outstanding dining, and the overall atmosphere made this one of the most memorable vacations we've ever taken. If you're looking for a luxury getaway in the Florida Keys, I cannot recommend Isla Bella Beach Resort highly enough.
  • BT
    Bani T
    4 days ago
    5.0
    Isla Bella Resort was easily one of the highlights of our trip. From the moment we checked in, everything felt effortless and welcoming. The staff were incredibly friendly, and you can tell they genuinely care about making your stay special. The resort itself is absolutely beautiful. The rooms were spacious, spotless, and had amazing views. There are plenty of pools to choose from, including a peaceful adults-only pool, so it never felt overcrowded. We also enjoyed the restaurants on-site, and it was so convenient to have great dining options without leaving the resort. One thing we really appreciated was all the thoughtful little touches, like the complimentary refillable water bottles with refill stations around the property. It's those small details that make the experience even better. Overall, Isla Bella feels like a hidden paradise in the Florida Keys. It's the perfect place to relax, unwind, and enjoy the beautiful surroundings. We had an incredible stay and would absolutely come back again. Highly recommend!
  • AB
    Aaron B
    Jul 19, 2026
    4.0
    I've stayed at Isla Bella twice—once in 2023 and again in the summer of 2026. Overall, I would absolutely stay here again, but it's clear the property is starting to show its age, and the level of service has declined in almost every area except the pool operations. The pool staff deserves recognition. The pools were consistently clean, opened promptly at 9:00 a.m., and there were always plenty of fresh towels available. It was obvious someone takes pride in maintaining that part of the resort. Unfortunately, housekeeping and maintenance tell a very different story. Our shower had two shower heads, including a handheld unit. The handheld mount was so loose that it constantly drooped forward and slammed into the tile. The fix took less than a minute—I ended up buying a screwdriver and tightening it myself. As a guest, I shouldn't have had to do that. The marks on the tile showed this had been happening for a long time, which raises the question of why housekeeping never reported such an obvious maintenance issue. The bathroom sink was another problem. It backed up almost immediately every time it was used, leaving standing water and making the sink constantly look dirty. Again, this wasn't a one-time issue—it felt like something that should have been identified and fixed long before our stay. The resort itself is beautiful, and some of the room layouts are excellent. We've stayed in multiple room configurations, and I actually prefer the layout with the bed near the entrance because the living area overlooks the water. However, the construction leaves a lot to be desired. The walls are incredibly thin. Our room had a connecting door, and there was virtually no sound insulation. We could hear our neighbors talking late into the night, people walking outside, guests using the ice machine—essentially every noise around us came straight into the room. If you're a light sleeper, this is something to consider. Check-in was also frustrating. We were told our room wasn't ready and that we'd receive a text when it was available. The text didn't arrive until four minutes after the official check-in time, which strongly suggests BS. i.e. the room was magically ready at 4pm (not). That being said I was suspicious that housekeeping was infact doing these rooms last. Possibly to get the tips off the other rooms. The following morning confirmed what I suspected. Housekeeping appeared to clean occupied rooms first and delayed cleaning rooms needed for arriving guests. Every day, our occupied room was cleaned by around 10:00 a.m., while arriving guests—including us the day before—were left waiting. That seems like the opposite of how a resort should prioritize housekeeping. Despite these issues, I would still return. We visit during the summer when rates are around $500 per night, and at that price I can overlook some shortcomings. However, during peak season these rooms can exceed $1,000 per night. At that price point, I would expect basic maintenance issues to be resolved, better soundproofing, and a smoother check-in experience. Isla Bella is still a beautiful resort with a great location and outstanding pool facilities, but management needs to refocus on the fundamentals before the overall guest experience slips any further.
  • KK
    Kevin
    Jul 10, 2026
    2.0
    My family of six and I just returned from your resort {Isle Bella} in the Florida Key of Marathon. It was a beautiful experience, the team you have at this Resort are friendly and very professional. The food was outstanding with numerous options to choose from and the views are amazing. Although Throughout our stay the phones in the room were not operating and the only way to contact the Resort was by our cellphone. The last day there we awoke with no water at all in the sinks, the toilets or showers. We tried to call the front desk but again the phone didn't work. Upon checkout we were in line with several angry guests. We informed the front desk that we (all six of us) could not bath, brush teeth or use the restroom because of the water. We also informed them we had to go buy bottled water because the water stations did not work either. She told us that the whole Island was out of water. This statement was untrue. We left the resort property and went to a local restaurant about a mile and a half away and they had running water. But restaurants in the resort did and were preparing and serving food. How with zero water?? The manager just shrugged her shoulders and told us there is nothing they can do and for us to have a good day. We checked out and three hours later after around 2 o'clock we got a message that bottled water is NOW available at the front desk. We loved the resort just not the last day experience. It would have been nice if the resort showed a little compassion or even acknowledged my email about this matter.
  • RD
    Riley Derenches
    Jul 10, 2026
    2.0
    Wasn’t the best stay. To start the lagoon has so much seaweed in it we couldn’t even swim. The smell was so unbearable we could barely sit at the pool. My son was walking to the gym and he passed the workers dumping sewage into the bushes right next to the walk way that residents walk on. Then while we were sitting at the pool the fire alarms start going off for hours. My 75 year old mom was in the shower durning this and was told to leave the room for 45+ minutes she was standing in the heat while there was no direction or update on why the alarm was going off. After a long day walking around Key West we come home to the workers presser washing the floor above us. We got soaked. Then we opened our door to the algae dirty water seeping into our room… I had to use our shower towel to dry the walkway of our room. Then we were left towel less for the night. Also there was supposed to be 24 hour surveillance and almost every time we got home at night the gates were wide open and no guards at the gate. This place has a lot of potential sucks this was our experience.

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