
Three Waters Resort and Marina
Best for families, groups, and travelers who want many on-site dining and activity options plus a full-service marina.
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Three Waters Resort and Marina is a larger, amenity-rich Islamorada resort with multiple pools, restaurants, and a full-service marina; this comparison is for travelers who want a resort with lots of dining, family spaces, and marina access. Hadley Resort and Marina is a smaller, casual Islamorada resort-and-marina that appeals to travelers who want a low-key waterfront stay with a private beach and complimentary breakfast.
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Best for families, groups, and travelers who want many on-site dining and activity options plus a full-service marina.

Best for travelers who prefer a quieter, more casual marina-resort with a private beach and simpler, straightforward amenities.
When Three Waters Resort and Marina wins: Choose Three Waters if you want a larger property with many dining venues, multiple pools (including an adults-only enclave), a full-service 72-slip marina, spa services, and on-site organized activities for families and groups.
When Hadley Resort and Marina wins: Choose Hadley if you prefer a smaller, more casual waterfront property with a private beach, a single outdoor pool, marina access, complimentary on-the-go breakfast, and fewer on-site crowds.
Bottom line: Both properties combine Islamorada lodging with marina access, but Three Waters is the bigger, amenity-forward option for travelers who want variety and on-site facilities; Hadley is the straightforward, lower-profile choice for visitors seeking an uncomplicated waterfront stay.
| Category | Three Waters Resort and Marina | Hadley Resort and Marina |
|---|---|---|
| Overall vibe | Larger, amenity-driven resort with multiple venues and family areas; includes an adults-only enclave (The Cove). | Casual, lower-profile resort-and-marina with a relaxed, marina-focused atmosphere. |
| Location (Islamorada) | 84001 Overseas Hwy, mile marker ~84; near local attractions and sister properties via water taxi. | 82749 Overseas Hwy; a short drive or walk to nearby Islamorada sights and the History of Diving Museum. |
| Size / rooms | 214 rooms, suites, and cottages across 15 waterfront acres. | 37 rooms listed on supplier listing. |
| Ages / audience | All ages; families and groups welcomed; The Cove is 21+. | All ages welcome (not adults-only). |
| Pools | Three outdoor pools (including a 21+ Cove pool) and a swim-up bar (Kokomo). | One outdoor pool listed; pool access ramp and wheelchair-accessible pool features. |
| Restaurants & bars | Multiple on-site dining options (Kindler Wood-Fired Fare, Little Limón rooftop, Mercado Morada, Tiki Bar, Islamorada Pizza Co., Kokomo swim-up bar, Lucky Twist, Starbucks, etc.). | Smaller on-site food/beverage footprint; supplier listing notes general amenities but no signature restaurants named. |
| Spa & wellness | Oceanside massage services and open-air fitness center; Wave Motion Studio for 21+ guests. | No full spa listed in supplier listing; fitness/wellness offerings not published. |
| Marina & watersports | Full-service marina with 72 slips (including transient slips), fishing charters, motor boating, paddleboarding, snorkeling and water taxi to sister properties. | Marina on site, boat and paddles available, fish cleaning table, and many water-sport activities nearby. |
| Accessibility & family features | Family-friendly programming, kids' activities, arcade, 3 beaches; pet policy allows dogs (fee). | Complimentary on-the-go breakfast, wheelchair-accessible features, free bicycles on site, playground and family-friendly amenities. |
| Free breakfast | Not published as included; Three Waters charges a resort fee that includes some amenity rentals and a welcome cocktail. | Complimentary on-the-go breakfast daily (8:00 AM–10:30 AM). |
Three Waters sits at 84001 Overseas Hwy on 15 waterfront acres and connects to sister properties via a Rum Runner water taxi.
Best if you want a property that doubles as a base for water activities and easy access to other resort beaches.
Hadley Resort and Marina is at 82749 Overseas Hwy and sits within walking distance of local museums and eateries.
A convenient, low-key waterfront option for visitors who want simple access to Islamorada attractions and the water.
Three Waters offers 214 rooms, suites, and cottages with many room types and dedicated 21+ Cove accommodations.
Ideal if you need choices for group sizes, multi-room families, or an adults-only room experience.
Hadley lists 37 air-conditioned rooms with a mix of standard and oceanview categories.
A good fit for travelers who want straightforward waterfront rooms and a smaller property footprint.
Three Waters has a broad food-and-drink lineup across nine+ venues, from wood-fired dinners to a swim-up bar and a rooftop restaurant.
Choose Three Waters if you want varied on-site dining and evening options without leaving the resort.
Hadley’s supplier listing notes general on-site amenities but does not list signature restaurants like Three Waters does.
Hadley works if you prefer quick breakfast included and plan to eat at local Islamorada eateries for larger meals.
Three Waters features three year-round pools, beach access, and both family and adults-only pool environments.
More pool and beach variety for families, couples and adults seeking separate spaces.
Hadley lists one outdoor pool, private beach access, and multiple accessible pool features.
A straightforward pool-and-beach setup that suits travelers wanting a calm waterfront day without many on-site pool options.
Three Waters offers oceanside massages, a fitness center, and multiple evening dining and bar venues with live music at the Tiki Bar.
Better choice for guests who want on-site spa services, fitness options, and active evening programming.
Hadley’s listing highlights outdoor recreation and nearby nightlife but does not publish an on-site spa or dedicated fitness center.
Pick Hadley if you plan to base yourself there for water activities and visit nearby venues for nightlife and spa services.

Three Waters — multiple pools, beaches, kids' activities, and many dining choices.

Hadley — compact property with private beach, marina access, and complimentary breakfast.

Three Waters — full-service 72-slip marina with transient slips and fishing charter access.

Hadley — smaller footprint and fewer on-site venues, suited to travelers wanting a simpler stay.
Three Waters has many on-site dining venues (from a signature wood-fired restaurant and rooftop bar to a swim-up bar and pizza spot); Hadley’s supplier listing does not publish signature restaurants.
No — both properties welcome guests of all ages. Three Waters does include an adults-only enclave called The Cove (21+). Hadley is not adults-only.
Three Waters has a larger full-service marina (72 slips) and transient slips, while Hadley also has a marina on site but with fewer published marina details.
Hadley offers a complimentary on-the-go breakfast daily; Three Waters does not publish complimentary breakfast as included and instead has a resort fee that covers activity rentals and other amenities.
Explore how Three Waters Resort and Marina stacks up against other hotels nearby:
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