
Three Waters Resort and Marina
Best for families, boaters, and groups who want many pools, restaurants, and a full-service marina.
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Three Waters Resort and Marina is a larger Islamorada marina-resort with multiple pools, beaches, restaurants and a full-service 72-slip marina — a good pick for families, boaters, and travelers who want lots of on-site options. Lime Tree Bay Resort is a relaxed Long Key waterfront resort with simpler, waterside accommodations — a fit for travelers who want straightforward waterfront access and fewer on-site venues.
Updated · about 16 mi apart

Best for families, boaters, and groups who want many pools, restaurants, and a full-service marina.

Best for travelers seeking a quieter, straightforward Long Key waterfront stay with easy access to Long Key State Park.
When Three Waters Resort and Marina wins: choose Three Waters if you want a larger resort scene with many dining outlets, event space, multiple pools (including an adults-only enclave), organized activities, and a 72-slip marina for fishing and boating.
When Lime Tree Bay Resort wins: pick Lime Tree Bay if you prefer a smaller, low-key waterfront resort on Long Key with private beach access, three outdoor pools, and close proximity to Long Key State Park.
Bottom line: Both are waterfront Florida Keys options; Three Waters is the bigger, activity- and dining-forward resort in Islamorada, while Lime Tree Bay is the simpler Long Key alternative for travelers prioritizing calm waterside time and straightforward amenities.
| Category | Three Waters Resort and Marina | Lime Tree Bay Resort |
|---|---|---|
| Overall vibe | Bigger resort collection feel with many restaurants, bars, activities and a marina. | Relaxed, waterside Long Key resort with a simpler on-site program. |
| Location | Islamorada, mile marker 84 (84001 Overseas Hwy). | Long Key, 68500 Overseas Hwy (near Long Key State Park). |
| Distance between properties | about 16 mi to Long Key | |
| Size (rooms) | 214 rooms, suites and cottages. | 73 air-conditioned rooms (supplier listing). |
| Ages / audience | All-ages resort with a 21+ adults-only enclave (The Cove). | All-ages resort (not adults-only). |
| Pools | Three outdoor pools (including an adults-only Cove pool and a swim-up bar at Kokomo). | Three outdoor pools and private beach access. |
| Restaurants & bars | Many on-site options (Kindler Wood-Fired Fare, Little Limón rooftop, Mercado Morada, Tiki Bar, Kokomo swim-up bar, Islamorada Pizza Co., Lucky Twist, Starbucks, etc.). | One main on-site restaurant/bar (Long Key Bar and Grill) and a smaller set of food/beverage outlets. |
| Spa / wellness | Oceanside massages (on-beach spa services) and open-air fitness facilities including Wave Motion Studio (21+). | Not published |
| Marina & boating | Full-service marina with 72 slips (including transient slips) and deepest Upper Keys channel; fishing charters available on-site. | Marina nearby and dock access noted in supplier listing, but not a full-service 72-slip marina. |
| Signature features | Resort-within-a-resort adults-only enclave (The Cove), Rum Runner water taxi to sister properties, multiple beaches and event spaces. | Private beach, proximity to Long Key State Park, free self-parking and free Wi‑Fi. |
Three Waters sits at mile marker 84 in Islamorada on 15 waterfront acres where the Atlantic and bay meet.
Choose Three Waters for a central Islamorada base with marina access and easy connections to nearby attractions.
Lime Tree Bay Resort is located on Long Key, a short walk from Long Key State Park.
Pick Lime Tree Bay for peaceful Long Key waterfront access and close proximity to Long Key State Park.
Three Waters offers 214 rooms, suites and cottages across many room types, including The Cove 21+ room categories.
Three Waters is better if you want many room choices and options for families or adults-only Cove stays.
Lime Tree Bay lists about 73 air-conditioned rooms and studios with several waterfront and off-main-property options.
Lime Tree Bay suits travelers who want straightforward studio and suite options, some with kitchenettes and waterfront views.
Three Waters is a dining-forward resort with multiple distinct venues across the property.
Pick Three Waters if you value a wide range of on-site dining and bar choices for different moods and meals.
Lime Tree Bay has a single primary on-site dining outlet and a bar for resort guests.
Lime Tree Bay is fine if you want one reliable on-site restaurant and aren’t looking for many culinary choices on-site.
Three Waters has three year-round pools, multiple beaches and poolside venues.
Choose Three Waters for more pool variety and a designated adults-only pool area.
Lime Tree Bay offers three outdoor pools plus private beach access on Long Key.
Lime Tree Bay gives a straightforward set of pools plus private beach access for a quieter beach stay.
Three Waters includes on‑beach ocean massage services and fitness spaces, with on-site entertainment evenings at the Tiki Bar and live music.
Three Waters is better for spa treatments, fitness options, and on-site evening entertainment.
Lime Tree Bay is quieter on-site; its main draw for active visitors is proximity to Long Key State Park.
Pick Lime Tree Bay if you want low-key evenings and easy access to Long Key State Park for daytime outings.

Three Waters — multiple pools, kids’ activities, arcade and many casual dining options make it easier to keep kids entertained.

Three Waters — a full-service 72-slip marina and on-site fishing charters put you on the water without long drives.

Lime Tree Bay Resort — fewer on-site venues and proximity to Long Key State Park suit low-key waterfront time.

Lime Tree Bay Resort — many room types include kitchenettes or refrigerators/microwaves and some off-main-property townhouse options.
Three Waters — it has a full-service marina with 72 slips and offers on-site fishing charters.
Lime Tree Bay — it’s a smaller, more relaxed Long Key property with private beach access and fewer on-site venues.
Yes. Three Waters is explicitly family-oriented with multiple pools and kids’ activities; Lime Tree Bay is all-ages and also accepts families but has a simpler on-site program.
No — neither property is sold as an all-inclusive. Three Waters charges a nightly resort fee that includes select rentals, shuttle and other perks; Lime Tree Bay charges for cooked-to-order breakfast and may have other optional fees.
Explore how Three Waters Resort and Marina stacks up against other hotels nearby:
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