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 3 - Oct 4
Tomorrow
Oct 4 - Oct 5
Next weekend
Oct 9 - Oct 11
In two weeks
Oct 16 - Oct 18

Our top choices for Grassy Key family-friendly hotels

A table with breakfast items and a view of the beach.
A pathway leading to a beach with pink buildings and palm trees.
A hotel corridor with a view of the beach, palm trees, and outdoor seating.
A wooden deck with two chairs and a table, overlooking a beach with palm trees and the ocean.

1. Rainbow Bend Resort

Rainbow Bend Resort
Marathon
￥16,345
￥25,491 total
includes taxes & fees
Oct 7 - Oct 8
Rainbow Bend Resort
A wooden deck with a pool and chairs overlooking a beach with palm trees.
An outdoor dining area with thatched roof, wooden tables, and bar stools, overlooking the ocean.
A wooden deck with a white railing, a bench, and a table.
A beach with a wooden walkway leading to the water, palm trees, and a clear sky.

2. Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
Marathon
￥29,024
￥40,229 total
includes taxes & fees
Nov 1 - Nov 2
Grassy Flats Resort & Beach Club
A tropical resort with a swimming pool, palm trees, and a view of the ocean.
An aerial view of a resort with a swimming pool, palm trees, and a beach area.
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.

3. Gulf View Waterfront Resort

Gulf View Waterfront Resort
Marathon
￥12,721
￥14,311 total
includes taxes & fees
Oct 4 - Oct 5
Gulf View Waterfront Resort
A bar area with a long counter, bar stools, and a view of the water.
A balcony with a view of a body of water, a pool, and outdoor seating.
An outdoor dining area with tables and chairs, overlooking a body of water.
A waterfront property with a large building, a smaller structure with a thatched roof, and several boats docked.

4. Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys
Marathon
￥21,168
￥23,813 total
includes taxes & fees
Oct 28 - Oct 29
Fairfield Inn & Suites by Marriott Marathon Florida Keys
A water fountain with a pirate ship design, surrounded by a pool and lounge chairs.
A pathway leading to a pool area with palm trees and a sunset view.
A modern living room with a balcony overlooking the sea, furnished with a sofa, chairs, and a dining table.
A covered outdoor area with a wooden deck, white railings, and a view of the ocean.

5. 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.
￥31,837
￥47,952 total
includes taxes & fees
Oct 11 - Oct 12
Hawks Cay Resort
A wooden dock leading to a row of boats, with a thatched-roof building and palm trees in the background.
Two bicycles parked on a sandy beach with the ocean in the background.
A bedroom with a bed, two bedside lamps, a glass table, and a view of a balcony with palm trees.
An aerial view of a resort with a swimming pool, lounge area, and palm trees.

6. Bonefish Bay Motel

Bonefish Bay Motel
Marathon
￥16,493
￥18,554 total
includes taxes & fees
Oct 18 - Oct 19
Bonefish Bay Motel
A playground with slides and climbing structures.
A spacious living area with a view of the ocean, a balcony with a pool, and a staircase leading to another level.
A poolside area with lounge chairs and umbrellas, overlooking a clear blue sea.
A beach with a palm tree, clear blue water, and a bridge in the distance.

7. 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.
￥22,676
￥32,298 total
includes taxes & fees
Oct 5 - Oct 6
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.
A beach with white chairs and kayaks, palm trees, and a clear view of the ocean.
A beach scene with two white chairs, a hammock, and palm trees.

8. 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.
￥28,303
￥41,153 total
includes taxes & fees
Oct 4 - Oct 5
Isla Bella Beach Resort & Spa
A family playing chess outdoors with a netted area in the foreground.
A clear blue pool with white lounge chairs and palm trees, overlooking a calm sea.
Two hammocks on a sandy beach with a clear blue sky and turquoise water.
A bar area with a view of the ocean, bar stools, umbrellas, and a variety of bottles.

9. 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.
￥22,604
￥30,955 total
includes taxes & fees
Oct 15 - Oct 16
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
A marina with a dock, a boat, and a row of buildings with large windows.
A pool area with lounge chairs and umbrellas, surrounded by palm trees and a white fence.
A wooden deck with a covered area, green Adirondack chairs, and a view of palm trees and a water body.
A bedroom with a bed, a dresser, a large window, and a painting of a sunset over the ocean.

10. Coconut Cay Resort & Marina

Coconut Cay Resort & Marina
Marathon
  • Family adventure awaits at this waterfront retreat with fishing, cycling, and kayaking just minutes from Sombrero Beach.
￥13,092
￥16,673 total
includes taxes & fees
Oct 28 - Oct 29
Coconut Cay Resort & Marina
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

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

10/10 Excellent
"I loved the property. Recommend to others."
Vivian 1-night trip
Posted 10 hours ago
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Lime Tree Bay Resort

Lime Tree Bay Resort

10/10 Excellent
"This our family perfect place for the weekend ! We feel like at home ! Terry is our best friend already , we know all of the stuff and respect and love them all ! Last week the did a surprise for my baby and prepared for her bday decorations in our townhouse , balloons and cake and candles ! It was all so sweet and kind and thoughtful ! Best place with kids and family !"
Daria 1-night trip
Posted 15 hours ago
Lime Tree Bay Resort
Kingsail Resort

Kingsail Resort

10/10 Excellent
"My Dad and myself had an Awesome stay everything was clean well kept beautifully piece of property with a nice Clean pool, Rcommend anybody would like to stay at this Place!!!🏝️🐬😊"
Carl 3-night trip
Posted 3 days ago
Kingsail Resort
Captain Pips Marina & Hideaway

Captain Pips Marina & Hideaway

8/10 Good
"Room was clean and nice. Didn’t have alot of room in the bathroom, small sink no where to put things even in the shower. But overall great stay."
Jessica 3-night trip
Posted 3 days ago
Captain Pips Marina & Hideaway
Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort

10/10 Excellent
"Great"
Kevin 4-night trip
Posted 3 days ago
Tranquility Bay Beachfront Hotel and Resort

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