A dolphin swimming near a wooden dock and a tree branch in the water.

Find Family Hotels in Grassy Key, FL

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Check availability on Grassy Key Family Hotels

Tonight
Oct 10 - Oct 11
Tomorrow
Oct 11 - Oct 12
Next weekend
Oct 16 - Oct 18
In two weeks
Oct 23 - Oct 25

Our top choices for Grassy Key family-friendly hotels

A wooden deck with a pool and chairs overlooking a beach with palm trees.
A beach with a wooden walkway leading to the water, palm trees, and a clear sky.
A pool area with palm trees and a view of the ocean.
A wooden deck with a white railing, a bench, and a table.

1. Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
Marathon
NT$5,870
NT$8,136 total
includes taxes & fees
Nov 8 - Nov 9
Grassy Flats Resort & Beach Club
A table with breakfast items and a view of the beach.
A hotel corridor with a view of the beach, palm trees, and outdoor seating.
A beach with lounge chairs and umbrellas, palm trees, and a building with balconies.
A pathway leading to a beach with pink buildings and palm trees.

2. Rainbow Bend Resort

Rainbow Bend Resort
Marathon
NT$3,306
NT$5,156 total
includes taxes & fees
Oct 11 - Oct 12
Rainbow Bend Resort
A tropical resort with a swimming pool, palm trees, and a view of the ocean.
A beach view with palm trees, a hammock, and a chair by the water.
A bedroom with a bed, nightstands, a TV, a ceiling fan, and a view of the ocean.
An aerial view of a resort with a swimming pool, palm trees, and a beach area.

3. Gulf View Waterfront Resort

Gulf View Waterfront Resort
Marathon
NT$2,996
NT$3,370 total
includes taxes & fees
Oct 12 - Oct 13
Gulf View Waterfront Resort
A bar area with a long counter, bar stools, and a view of the water.
A waterfront property with a large building, a smaller structure with a thatched roof, and several boats docked.
A balcony with a view of the ocean, a round table, and two chairs.
A balcony with a view of a body of water, a pool, and outdoor seating.

4. Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys
Marathon
NT$4,281
NT$4,816 total
includes taxes & fees
Oct 28 - Oct 29
Fairfield Inn & Suites by Marriott Marathon Florida Keys
A swimming pool with lounge chairs and umbrellas, surrounded by palm trees and a thatched-roof structure.
Three colorful drinks on a table with a thatched roof and outdoor seating.
A modern living room with a large sectional sofa, a flat-screen TV, and a view of the sea through large windows.
A modern kitchen with a central island, various appliances, and hanging pendant lights.

5. Hampton Inn Marathon - Florida Keys

Hampton Inn Marathon - Florida Keys
Marathon
NT$4,163
NT$4,683 total
includes taxes & fees
Oct 18 - Oct 19
Hampton Inn Marathon - Florida Keys
A water fountain with a pirate ship design, surrounded by a pool and lounge chairs.
A covered outdoor area with a wooden deck, white railings, and a view of the ocean.
A pathway leading to a pool area with palm trees and a sunset view.
An aerial view of a coastal resort with multiple white buildings, a clear turquoise sea, and lush greenery.

6. Hawks Cay Resort

Hawks Cay Resort
Marathon
  • Families splash into island fun at this beachside resort with five outdoor pools and a children's club.
NT$6,439
NT$9,699 total
includes taxes & fees
Oct 18 - Oct 19
Hawks Cay Resort
A wooden dock leading to a row of boats, with a thatched-roof building and palm trees in the background.
A bedroom with a bed, two bedside lamps, a glass table, and a view of a balcony with palm trees.
A covered outdoor seating area with tables and chairs, overlooking a body of water and a distant shoreline.
Two bicycles parked on a sandy beach with the ocean in the background.

7. Bonefish Bay Motel

Bonefish Bay Motel
Marathon
NT$3,004
NT$3,379 total
includes taxes & fees
Oct 18 - Oct 19
Bonefish Bay Motel
A playground with slides and climbing structures.
A poolside area with lounge chairs and umbrellas, overlooking a clear blue sea.
A spacious living area with a view of the ocean, a balcony with a pool, and a staircase leading to another level.
A beach with a palm tree, clear blue water, and a bridge in the distance.

8. Glunz Ocean Beach Hotel & Resort

Glunz Ocean Beach Hotel & Resort
Key Colony Beach
  • Family-friendly private beach paradise offers 2 pools, bicycles, kayaking, and exclusive beachfront fun for all ages.
NT$5,395
NT$7,443 total
includes taxes & fees
Oct 11 - Oct 12
Glunz Ocean Beach Hotel & Resort
An aerial view of a resort with a central pool, multiple buildings, and a beach area with sun loungers.
A bar area with wooden chairs, a bar counter, and a variety of bottles and glasses.
Room
A beach scene with two white chairs, a hammock, and palm trees.

9. Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa
Marathon
  • Discover a family beach paradise with five pools, water sports, and complimentary games for kids of all ages at this resort oasis.
NT$7,445
NT$10,316 total
includes taxes & fees
Oct 18 - Oct 19
Isla Bella Beach Resort & Spa
A family playing chess outdoors with a netted area in the foreground.
A bar area with a view of the ocean, bar stools, umbrellas, and a variety of bottles.
A poolside area with lounge chairs, blue umbrellas, and a fire pit.
Two hammocks on a sandy beach with a clear blue sky and turquoise water.

10. Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
Marathon
  • Family beach resort brings endless fun for kids with poolside play, beach adventures, and complimentary bike rides.
NT$4,572
NT$6,261 total
includes taxes & fees
Oct 25 - Oct 26
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
View all properties

Choose what matters most at family-friendly hotels in Grassy Key

Breakfast included
Pool
All-inclusive
4 stars
5 stars

Top Grassy Key Hotel Reviews

Captain Pips Marina & Hideaway

Captain Pips Marina & Hideaway

10/10 Excellent
"Anna, Katelyn and Penny at the front desk are ALWAYS helpful! This keeps us coming back! Beautiful facility on the Bayside. Big rooms, Great fishing, Great Kayaks in Lagoon.Great location! They are great on the little things too that matter. Greatest and Cheapest boat rentals !"
Joseph 1-night trip
Posted 9 hours ago
Captain Pips Marina & Hideaway
Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort

10/10 Excellent
"We had a wonderful time. Beautiful villa with plenty of space, everyone was so nice and helpful and a great atmosphere to relax in. Thank you!"
Emily 6-night trip
Posted 10 hours ago
Tranquility Bay Beachfront Hotel and Resort
Lime Tree Bay Resort

Lime Tree Bay Resort

10/10 Excellent
"LOVEEEEEEED ITTTT"
katelyn 1-night trip
Posted 15 hours ago
Lime Tree Bay Resort

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