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 11 - Sep 12
Tomorrow
Sep 12 - Sep 13
This weekend
Sep 11 - Sep 13
Next weekend
Sep 18 - Sep 20

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 wooden deck with a white railing, a bench, and a table.
A pool area with palm trees and a view of the ocean.

1. Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
Marathon
NT$5,523
NT$7,728 total
includes taxes & fees
Oct 11 - Oct 12
Grassy Flats Resort & Beach Club
A table with breakfast items and a view of the beach.
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.
A hotel corridor with a view of the beach, palm trees, and outdoor seating.

2. Rainbow Bend Resort

Rainbow Bend Resort
Marathon
NT$2,579
NT$4,321 total
includes taxes & fees
Sep 13 - Sep 14
Rainbow Bend Resort
A water fountain with a pirate ship design, surrounded by a pool and lounge chairs.
An aerial view of a coastal resort with multiple white buildings, a clear turquoise sea, and lush greenery.
A covered outdoor area with a wooden deck, white railings, and a view of the ocean.
A modern living room with a balcony overlooking the sea, furnished with a sofa, chairs, and a dining table.

3. 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$4,323
NT$7,283 total
includes taxes & fees
Sep 13 - Sep 14
Hawks Cay 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.
An outdoor dining area with tables and chairs, overlooking a body of water.
A balcony with a view of the ocean, a round table, and two chairs.

4. Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys
Marathon
NT$4,231
NT$4,760 total
includes taxes & fees
Sep 27 - Sep 28
Fairfield Inn & Suites by Marriott Marathon Florida Keys
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 beach with clear blue water, a palm tree, and rocky outcrops.

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$3,114
NT$3,503 total
includes taxes & fees
Sep 13 - Sep 14
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 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.

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$5,318
NT$7,336 total
includes taxes & fees
Sep 13 - Sep 14
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 scene with two white chairs, a hammock, and palm trees.

7. 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$5,651
NT$8,216 total
includes taxes & fees
Sep 13 - Sep 14
Isla Bella Beach Resort & Spa
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 waterfront dock with boats and a sunset.

8. 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$2,915
NT$4,165 total
includes taxes & fees
Sep 20 - Sep 21
Captain Pips Marina & Hideaway
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 kitchen with wooden cabinets, a stainless steel refrigerator, a granite countertop, a sink, a microwave, a stove, and a clock.
A spacious living room with a wooden floor, a sofa, a TV, a cabinet, and a sliding glass door leading to a balcony.

9. Knight's Key Suites

Knight's Key Suites
Marathon
NT$2,172
NT$3,122 total
includes taxes & fees
Sep 14 - Sep 15
Knight's Key Suites
A marina with boats docked, a lighthouse, and a resort with outdoor seating.
An outdoor dining area with round tables, chairs, and string lights against a backdrop of palm trees and boats.
A room with two sofas, a round coffee table, and a small side table with a vase.
A bar area with a long counter, multiple bar stools, and a view of the marina with boats and palm trees.

10. Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Marathon
  • Create a fun-filled retreat where kids and adults thrive with oceanfront pools and bicycle adventures through tropical gardens.
NT$4,619
NT$6,380 total
includes taxes & fees
Sep 20 - Sep 21
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
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

Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys

8/10 Good
"Estuvo muy bien 👍 este viaje no fuimos a la piscina"
Adriana 2-night trip
Posted 2 hours ago
Fairfield Inn & Suites by Marriott Marathon Florida Keys
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

10/10 Excellent
"This was an absolute treasure to stay at. Clean, friendly, great food and drink, even beautiful grounds and landscaping. I highly recommend this place - I know if I go back to Key West I will 100% stay here. We thoroughly enjoyed ourselves."
Jim 4-night trip
Posted 4 hours ago
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort

10/10 Excellent
"Beautiful view. Enjoyed it for a week❤️❤️❤️ would definitely visit again."
Daniel 4-night trip
Posted 17 hours ago
Tranquility Bay Beachfront Hotel and Resort
Lime Tree Bay Resort

Lime Tree Bay Resort

10/10 Excellent
"Overall great experience. Will book again in the future"
Nicholas 3-night trip
Posted 18 hours ago
Lime Tree Bay Resort
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

10/10 Excellent
"Pool was great"
Heather 2-night trip
Posted 18 hours ago
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
Banana Bay Resort & Marina

Banana Bay Resort & Marina

10/10 Excellent
"Me encantó todo es muy privada es baatante alejada gets es para relajarse y pueden llevar a sus mascotas les encantará solo que lleven secadora no hay puesta en los baños un detalle que gustaría a todos y pues hasta te prestan bicicletas para ejercitar un poco"
Maidelin 2-night trip
Posted 2 days ago
Banana Bay Resort & Marina
Skipjack Resort & Marina

Skipjack Resort & Marina

10/10 Excellent
"Great spot"
Justin 2-night trip
Posted 3 weeks ago
Skipjack Resort & Marina

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