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Amara Cay Resort Islamorada, Florida
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Hotel comparison guide

Amara Cay Resort vs Grassy Flats Resort & Beach Club

Amara Cay Resort is a 4-star, family-friendly oceanfront resort in Islamorada with a zero-entry pool, private sunning beach, and a range of water activities — ideal for families and active travelers. Grassy Flats Resort & Beach Club is an upscale beach-club–style resort in Marathon with strong guest ratings and a modern, eco-conscious amenity set — best for travelers who want a contemporary Keys beach-club feel.

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Curved resort pool with palm trees and loungers at Amara Cay Resort

Amara Cay Resort

Oceanfront · Family-friendly · Water activities

Best for families and active travelers who want direct ocean access, a zero-entry pool, and on-site water sports.

Grassy Flats Resort & Beach Club, Marathon, Florida

Grassy Flats Resort & Beach Club

Upscale · Beach-club style · Locally sourced

Best for travelers who prefer a modern beach-club vibe, strong guest reviews, and locally sourced food and eco-friendly operations.

Quick Verdict: Amara Cay Resort vs Grassy Flats Resort & Beach Club

When Amara Cay Resort wins: pick Amara Cay if you want a family-friendly oceanfront base in Islamorada with a zero-entry pool, private sunning beach, lots of organized water activities (snorkeling, kayaking, scuba), and access to sister-property restaurants via water taxi and shuttle.

When Grassy Flats Resort & Beach Club wins: choose Grassy Flats for a smaller, more intimate Marathon property with a clear beach-club positioning, high guest ratings, two outdoor pools, an oceanfront steakhouse (The Rhum House), and a strong eco/locally sourced focus.

Bottom line: both are 4-star Florida Keys options; Amara Cay is the larger, activity-forward family resort on Islamorada’s Atlantic side, while Grassy Flats appeals to travelers seeking a modern Marathon beach-club experience and high guest scores.

Amara Cay Resort vs Grassy Flats Resort & Beach Club – At a Glance

Side-by-side facts for Amara Cay Resort and Grassy Flats Resort & Beach Club
CategoryAmara Cay ResortGrassy Flats Resort & Beach Club
Overall vibeFamily-friendly oceanfront resort with activity program and event spacesUpscale beach-club–style resort with contemporary amenities and local sourcing
LocationIslamorada, Mile Marker 80 — Atlantic/oceanfront (sunrise side)Marathon — oceanfront, steps from Coco Plum Beach
Size (guest rooms)110 rooms across 4 floors38 guestrooms
AgesAll ages; primary guest must be 21+ to check inNot strictly adults-only overall (some room types listed ‘Adults Only’); supplier listing shows family suites too
PoolsZero-entry oceanfront pool (in-pool loungers); pool hours listed 8 am–sunsetTwo outdoor pools, poolside bar, pool hoist and wheelchair-accessible pool
Restaurants & barsReelCatch (seafood breakfast & dinner), Tiki Bar (poolside lunch/dinner), Coastal Cup & LoungeThe Rhum House (steakhouse with ocean view), 1 restaurant and 1 poolside bar
Spa & wellnessOoh la la at The Collection provides massages, yoga on the beach, facials and salon servicesNot published
Known forDirect oceanfront site with private sunning beach, Rum Runner water taxi to sister properties, family events/weddingsBeach-club atmosphere, locally sourced/organic food, strong guest ratings (9.4)
Beach accessPrivate elevated sunning beach (Lighthouse Beach) with stairway for snorkeling; not a traditional sand swimming beachOceanfront and steps from Coco Plum Beach
Water activitiesOn-site snorkeling, scuba diving, kayaking, paddleboards, fishing access and guided ecotoursKayaking, paddleboards, canoeing, paddleboard on site; water-sports equipment and personal motor watercraft nearby
Accessibility & family featuresWheelchair-accessible rooms, elevators, family suites and many event spacesWheelchair-accessible facilities (accessible parking, accessible path to elevator, pool hoist), some ADA room types listed

Location: Islamorada vs Marathon

Amara Cay Resort – Location

Amara Cay Resort sits on Islamorada’s Atlantic side at Mile Marker 80 with direct oceanfront placement and reef views.

  • Oceanfront (sunrise side) with views toward Alligator Reef Lighthouse
  • Nearest island attractions include Bud n' Mary's Dive Center and Indian Key (boat-accessible sites)
  • Complimentary Rum Runner water taxi and shuttle connect Amara Cay with sister properties and restaurants

Pick Amara Cay if you want an Atlantic-side Islamorada address with easy access to local dive shops and island activities.

Grassy Flats Resort & Beach Club – Location

Grassy Flats Resort & Beach Club is an upscale Marathon property located on Grassy Key, steps from Coco Plum Beach.

  • Oceanfront property near Grassy Key Marina and very close to Coco Plum Beach
  • A short distance from Curry Hammock State Park and local marinas
  • Onsite dock and water-sports access make it convenient for boating and paddle activities

Choose Grassy Flats for a Marathon base that reads like a contemporary beach club with quick access to local parks and marinas.

Rooms: size and types

Amara Cay Resort – Rooms

Amara Cay has 110 rooms across four floors with a mix of oceanfront rooms, lanai suites, and family suites.

  • 18 room types including Suite, with Sofa bed, Oceanfront and Premium Suite, Multiple Beds, Oceanfront
  • Family-friendly layouts that sleep up to 6 in some oceanfront suites
  • Accessible rooms and elevator access to all floors

Amara Cay is the larger property with more room-type variety, including multiple family and oceanfront suite options.

Grassy Flats Resort & Beach Club – Rooms

Grassy Flats offers 38 guestrooms that mix oceanfront rooms and family suites plus several 'Adults Only' room listings.

  • Room names include Deluxe King Room-Oceanfront and several 'Adults Only' oceanview/deluxe options
  • Family Suite, 2 Bedrooms and Family Suite, 3 Bedrooms are available
  • Most rooms offer private balconies or patios and ocean views in select types

Grassy Flats is smaller and more intimate; it lists some room types marketed 'Adults Only' while still offering family suites.

Dining & drinks: seafood and beach-club menus

Amara Cay Resort – Dining & drinks

Amara Cay runs multiple on-site outlets focused on seafood and casual Keys fare.

  • ReelCatch: seafood-focused breakfast and dinner (breakfast 7–11 am; dinner 5–10 pm)
  • Tiki Bar: poolside lunches and dinners with lighthouse views (lunch 11:30 am–5 pm; dinner 5–11 pm)
  • Coastal Cup & Lounge and access to additional restaurants at sister properties via water taxi

Amara Cay is a good pick for families and groups who want multiple on-site dining options and casual poolside service.

Grassy Flats Resort & Beach Club – Dining & drinks

Grassy Flats features a single restaurant and poolside bar with an emphasis on local and organic ingredients.

  • The Rhum House: steakhouse with ocean view and bar/lounge (serves breakfast for a fee)
  • Poolside bar and one restaurant on-site
  • Locally-sourced and organic food options highlighted in amenities

Grassy Flats suits travelers who prefer a smaller set of focused dining venues and an emphasis on local sourcing.

Pools & beach: poolside lounge vs beach club

Amara Cay Resort – Pools & beach

Amara Cay centers around a zero-entry oceanfront pool and a private elevated sunning beach.

  • Zero-entry pool with in-pool loungers and ocean views; pool hours 8 am–sunset
  • Private elevated sunning beach (Lighthouse Beach) with thatched huts and chaise lounges — stairway access for snorkeling
  • Resort fee includes beach/pool seating and access to sister properties' pools/beaches

Amara Cay emphasizes accessible, family-friendly pool and beach spaces with reef viewing and snorkeling access.

Grassy Flats Resort & Beach Club – Pools & beach

Grassy Flats presents a beach-club experience with two outdoor pools and direct oceanfront access.

  • Two outdoor pools with poolside bar and sun loungers
  • Beach umbrellas, beach towels and beach sun loungers provided
  • Dock and water-sports launch areas for kayaking, paddleboarding and fishing

Grassy Flats is a compact beach-club–style place where pools and the small beach area are focal points of the stay.

Wellness & nightlife

Amara Cay Resort – Wellness & nightlife

Amara Cay offers on-site wellness experiences and family-friendly evening entertainment.

  • Spa services via Ooh la la at The Collection (massages, facials, beach yoga) — serves Amara Cay and sister properties
  • Live music Thursday–Saturday 6–9 pm at ReelCatch and the Tiki Bar
  • Fitness center open daily (6 am–10 pm)

Amara Cay blends spa and fitness offerings with family-oriented live-music nights.

Grassy Flats Resort & Beach Club – Wellness & nightlife

Grassy Flats includes wellness and leisure amenities on-site and a quieter evening environment typical of a small beach club.

  • Sauna and one hot tub listed among amenities
  • Books, firepit and an emphasis on outdoor seating and relaxation
  • Live-music or dedicated nightlife programming not published in supplier listing

Grassy Flats leans toward low-key wellness (sauna, hot tub) and relaxed evenings rather than large-nightlife programming.

Who Wins? Best Pick by Travel Style

Best for families and groups
Reception desk and wood-paneled wall with Amara Cay Resort lettering

Amara Cay Resort

Amara Cay — more rooms and family suites, activity program, zero-entry pool, and a private sunning beach.

Best for a modern beach-club stay
Grassy Flats Resort & Beach Club, Marathon, Florida

Grassy Flats Resort & Beach Club

Grassy Flats — compact beach-club layout, strong guest scores, locally sourced food and focused pool/beach spaces.

Best for direct snorkeling access
Seating area in the resort lobby with wicker chairs and pendant lights

Amara Cay Resort

Amara Cay — stairway from the private sunning beach gives direct water access for snorkeling and diving.

Best for eco-conscious dining
Grassy Flats Resort & Beach Club, Marathon, Florida

Grassy Flats Resort & Beach Club

Grassy Flats — promotes locally-sourced and organic food (listed as an amenity feature).

Frequently asked questions

Amara Cay Resort vs Grassy Flats Resort & Beach Club: FAQs

See all FAQs →
Which property is better for families with kids?

Amara Cay — it explicitly welcomes children of all ages, has family suites, organized water activities, and a zero-entry pool suited to kids.

Which property is better for a quiet adults’ escape?

Grassy Flats appeals to travelers seeking an upscale beach-club vibe and generally quieter, smaller property feel; note some room types are listed 'Adults Only' but the supplier-level adults-only status is not uniformly published.

Do both resorts provide water-sports and paddle activities?

Yes. Amara Cay and Grassy Flats both list kayaking, paddleboarding and other nonmotorized water-sport options; Grassy Flats also lists canoeing and personal motor watercraft nearby.

Can I get spa treatments at each property?

Amara Cay: spa services are available through Ooh la la at The Collection (massages, facials, yoga). Grassy Flats: the supplier listing does not publish a named spa service; spa details are not published.

Couple enjoying a covered beachfront cabana looking toward the ocean at Amara Cay Resort
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