
Three Waters Resort and Marina
Best for families, boat owners, and guests who want resort dining options, multiple pools and a full-service marina.
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Three Waters Resort and Marina is an Islamorada waterfront resort with multiple pools, on-site dining, and a full-service marina — a good pick for families, boaters, and guests who want a resort-style stay. Hampton Inn Key Largo is a recognizable branded waterfront hotel in Key Largo that suits travelers who prefer a familiar hotel layout and straightforward amenities.
Updated · about 16 miles apart

Best for families, boat owners, and guests who want resort dining options, multiple pools and a full-service marina.

Best for travelers who want a familiar national-brand hotel with straightforward waterfront rooms and standard hotel services.
When Three Waters Resort and Marina wins: pick Three Waters if you want resort-scale dining choices, several pools (including an adults-only Cove), on-site marina services and activities for kids and adults.
When Hampton Inn Key Largo wins: choose Hampton Inn Key Largo if you value a recognizable hotel brand, simple waterfront rooms with balconies/patios, and an easy, familiar stay near John Pennekamp Coral Reef State Park.
Bottom line: Three Waters is the choice for a full resort experience and marina access; Hampton Inn Key Largo is the straightforward branded option for travelers who want dependable rooms and basic waterfront amenities.
| Category | Three Waters Resort and Marina | Hampton Inn Key Largo |
|---|---|---|
| Overall vibe | Resort-style, multiple venues and activity options across 15 waterfront acres | Branded, island waterfront hotel with straightforward rooms and services |
| Location | Islamorada, mile marker 84 on the Overseas Highway with on-site marina | Key Largo, near John Pennekamp Coral Reef State Park |
| Size (rooms) | 214 rooms, suites, and cottages | 100 guest rooms (supplier listing) |
| Who it's for | Families, couples, boaters, groups; has an adults-only enclave (The Cove) | Travelers who prefer a familiar hotel brand and simple waterfront lodging |
| Pools | Three outdoor pools (Kokomo swim-up, Overseas, Cove 21+) | Indoor freshwater pool and outdoor freshwater pool listed |
| Restaurants & bars | Multiple on-site dining options (Kindler, Little Limón rooftop, Mercado Morada, Tiki Bar, Kokomo swim-up, Starbucks, etc.) | On-site café/bar and poolside snack bar; limited branded dining options |
| Spa & wellness | Oceanside massages and open-air fitness spaces (outdoor fitness center, 21+ Wave Motion Studio) | Fitness and basic hotel services listed; no full spa published in supplier listing |
| Marina / boating | Full-service 72-slip marina with transient slips and deep channel | No marina listed |
| Family / adults-only options | Family-friendly overall with The Cove as an adults-only (21+) enclave | All-ages property (not adults-only) |
| Resort fee / inclusions | Nightly resort fee includes water taxi, activity rentals, shuttle, welcome cocktail, enhanced Wi‑Fi, self-parking | Not published |
Three Waters sits at mile marker 84 in Islamorada on 15 waterfront acres with easy access to nearby attractions and an on-site marina.
Better if you want a larger resort campus with marina access and multiple on-site activities.
Hampton Inn Key Largo is a branded waterfront hotel in Key Largo located close to John Pennekamp Coral Reef State Park.
Better if you want a straightforward Key Largo base near the state park and launch points for snorkeling/diving.
Three Waters offers a wide range of rooms, suites and cottages across family-friendly and adults-only (The Cove) room types.
Choose Three Waters if you want more room variety and adult-only suite options within one property.
Hampton Inn Key Largo provides standard hotel room types with private balconies or patios and typical in-room amenities.
Pick Hampton Inn Key Largo for predictable, no-frills hotel rooms with essential conveniences.
Three Waters has multiple on-site restaurants and bars covering casual to elevated dining.
Stronger food-and-drink variety and venue types across the property.
Hampton Inn Key Largo lists a café, bar and poolside snack bar among its amenities.
Good if you want basic hotel dining and quick access to nearby restaurants in Key Largo.
Three Waters emphasizes its waterfront pools, private beaches and a full-service marina as key draws.
A better choice for guests who plan to spend time at pools, beaches or based on boating needs.
Hampton Inn Key Largo offers hotel-style pools and private beach area access per the supplier listing.
Good for travelers seeking basic pool and beach access without the resort scale.
Three Waters includes open-air fitness, a 21+ Wave Motion Studio, oceanside massages and evening entertainment at the Tiki Bar.
Better if you want a mix of fitness, spa and on-site evening entertainment.
Hampton Inn Key Largo lists fitness and billiards among its amenities and provides 24-hour reception and business services.
Handy if you want simple fitness options and standard hotel business services.

Three Waters — full-service 72-slip marina and on-site fishing charter access.

Three Waters — multiple restaurants and bars from rooftop dining to a swim-up bar and the historic Tiki Bar.

Hampton Inn Key Largo — consistent Hampton-brand rooms and predictable hotel services.

Hampton Inn Key Largo — very close to John Pennekamp Coral Reef State Park for snorkeling/diving launches.
Three Waters is more family-focused overall, with multiple pools, kids' activities, an arcade and several casual dining options. The Cove within Three Waters is adults-only, but the wider resort welcomes children.
Three Waters — it has a full-service marina with 72 slips and offers year-round fishing charters.
Hampton Inn Key Largo is the closer option; the supplier listing notes it’s about 500 yards from John Pennekamp Coral Reef State Park.
Three Waters charges a nightly resort fee that includes bike and kayak/paddleboard rentals, the Rum Runner water taxi, a daily shuttle, enhanced Wi‑Fi, and self-parking. Hampton Inn Key Largo’s supplier listing does not publish a comparable resort-fee inclusions list.
Explore how Three Waters Resort and Marina stacks up against other hotels nearby:
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