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
Sep 17 - Sep 18
Tomorrow
Sep 18 - Sep 19
This weekend
Sep 18 - Sep 20
Next weekend
Sep 25 - Sep 27

Our top choices for Grassy Key family-friendly hotels

A wooden deck with a pool and chairs overlooking a beach with palm trees.
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.
An outdoor dining area with thatched roof, wooden tables, and bar stools, overlooking the ocean.

1. Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
Marathon
NT$5,568
NT$7,791 total
includes taxes & fees
Oct 18 - Oct 19
Grassy Flats Resort & Beach Club
A table with breakfast items and a view of the beach.
A wooden deck with two chairs and a table, overlooking a beach with palm trees and the ocean.
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.

2. Rainbow Bend Resort

Rainbow Bend Resort
Marathon
NT$3,294
NT$5,136 total
includes taxes & fees
Sep 20 - Sep 21
Rainbow Bend Resort
A bar area with a long counter, bar stools, and a view of the water.
A balcony with a view of the ocean, a round table, and two chairs.
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.

3. Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys
Marathon
NT$4,265
NT$4,798 total
includes taxes & fees
Oct 4 - Oct 5
Fairfield Inn & Suites by Marriott Marathon Florida Keys
A water fountain with a pirate ship design, surrounded by a pool and lounge chairs.
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.
An aerial view of a coastal resort with multiple white buildings, a clear turquoise sea, and lush greenery.

4. 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$5,912
NT$9,101 total
includes taxes & fees
Sep 23 - Sep 24
Hawks Cay Resort
A beachfront property with a white balcony, palm trees, and a sandy beach.
A hotel room with a bed, a TV, a balcony with a view of the sea, and a table with chairs.
A sunset view with palm trees and a wooden deck with lounge chairs.
A pool area with lounge chairs, a wooden deck, and a view of the ocean.

5. Conch Key Fishing Lodge and Marina

Conch Key Fishing Lodge and Marina
Marathon
  • Family-friendly fishing lodge with a private beach and outdoor pool provides a perfect coastal escape for all ages.
NT$3,139
NT$3,531 total
includes taxes & fees
Sep 21 - Sep 22
Conch Key Fishing Lodge and Marina
A playground with slides and climbing structures.
A covered outdoor seating area with a view of the ocean, a small table, and two chairs with cushions.
A beach with a palm tree, clear blue water, and a bridge in the distance.
A poolside area with lounge chairs and umbrellas, overlooking a clear blue sea.

6. 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$5,375
NT$7,415 total
includes taxes & fees
Sep 20 - Sep 21
Glunz Ocean Beach Hotel & Resort
A street view with colorful houses, a clear sky, and a paved road.
A beach with a wooden pier, palm trees, and a clear blue sky.
An aerial view of a coastal area with a marina, several boats, and a variety of buildings including a large resort with a pool and landscaped areas.
A room with a wooden table and chairs, a sliding glass door leading to a balcony, and a blue cooler on the floor.

7. Captain Pips Marina & Hideaway

Captain Pips Marina & Hideaway
Marathon
  • Family paradise offers outdoor pool, marina access, free bikes, and endless water activities at coastal haven.
NT$2,947
NT$4,210 total
includes taxes & fees
Sep 20 - Sep 21
Captain Pips Marina & Hideaway
An aerial view of a resort with a central pool, multiple buildings, and a beach area with sun loungers.
A beach with white chairs and kayaks, palm trees, and a clear view of the ocean.
A bar area with wooden chairs, a bar counter, and a variety of bottles and glasses.
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.
NT$6,569
NT$9,297 total
includes taxes & fees
Sep 27 - Sep 28
Isla Bella Beach Resort & Spa
A bedroom with a bed, a nightstand, a mirror, a window with blinds, and a wall with a framed picture.
A kitchen with granite countertops, white vases, and a view of the ocean through large windows.
A coastal property with multiple buildings, a wooden dock, and a clear view of the turquoise water.
A covered outdoor deck with a table and chairs, overlooking a body of water and trees.

9. Village at Hawks Cay Villas by KeysCaribbean

Village at Hawks Cay Villas by KeysCaribbean
Marathon
NT$6,298
NT$17,641 total
includes taxes & fees
Sep 20 - Sep 21
Village at Hawks Cay Villas by KeysCaribbean
A neatly made bed with a grey and white duvet, a wooden headboard, and a bedside table with a lamp and remote control.
A compact living space with a kitchenette, dining area, and seating area.
A spacious living room with a wooden floor, a sofa, a TV, a cabinet, and a sliding glass door leading to a balcony.
A kitchen with wooden cabinets, a stainless steel refrigerator, a granite countertop, a sink, a microwave, a stove, and a clock.

10. Knight's Key Suites

Knight's Key Suites
Marathon
NT$2,190
NT$3,147 total
includes taxes & fees
Sep 28 - Sep 29
Knight's Key Suites
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

Hawks Cay Resort

Hawks Cay Resort

8/10 Good
"The place are beautiful!!! The staff were very nice and welcoming!!! We booked the 3 bedroom premium villa which is upgraded and little bigger it was really cool we love it , the only thing was that we had an issue with the Wifi we complained the moment we found out they said we send someone no one come!!! We keeping asking and asking we went to the front desk we will send the IT guy in hour we were there for 5 days he never come!!!!! The Arcade room and fitness room Was open 8-5 nothing to do after 5pm very disappointed, the water park was closed the Dolphin was closed no Dolphin!!! Restaurant is little over priced!!!! The place is very beautiful !!!"
EYAL 4-night trip
Posted 5 hours ago
Hawks Cay Resort
Lime Tree Bay Resort

Lime Tree Bay Resort

10/10 Excellent
"100% recommended"
Jairo 1-night trip
Posted 21 hours ago
Lime Tree Bay Resort
Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys

8/10 Good
"Nice Location."
Michael 5-night trip
Posted 2 days ago
Fairfield Inn & Suites by Marriott Marathon Florida Keys
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

10/10 Excellent
"View very nice"
Juan 2-night trip
Posted 2 days ago
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
Kingsail Resort

Kingsail Resort

10/10 Excellent
"We liked and enjoyed ourselves at Kingsail! Clean rooms, great stay and loved the area. Great price too! Even our dog had a nice stay here too :) we'll definitely be back!"
Amanda 3-night trip
Posted 3 days ago
Kingsail Resort
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

10/10 Excellent
"Very nice hotel. Stayed with the family and we are very pleased. Staff was really nice and hotel room was very clean. Also the restaurant food was excellent."
Penelope 2-night trip
Posted 4 days ago
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Skipjack Resort & Marina

Skipjack Resort & Marina

10/10 Excellent
"Great spot"
Justin 2-night trip
Posted 1 month ago
Skipjack Resort & Marina

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