Find hotels in Grassy Key, FL from NT$5,152

Start date: Check-in selected.
To Date
End date: Check-out
  • Change your mind

    Book hotels with free cancellation
  • Treat yourself

    Sign in to save 10% or more on thousands of hotels
  • Be picky

    Search almost a million properties worldwide

Check prices for these dates

This weekend
Next weekend

Filter by

Guest rating
Guest rating
Star rating

Our top choices for Grassy Key hotels

Rainbow Bend Resort

Rainbow Bend Resort
2.5 star property
Marathon
8.2 out of 10, Very Good, (786)
"Great location, friendly service and very clean!"
United States
mike
The price is NT$3,566
NT$5,431 total
includes taxes & fees
Jan 6 - 2026/1/7
Rainbow Bend Resort

Gulf View Waterfront Resort

Gulf View Waterfront Resort
2.5 star property
Marathon
8.6 out of 10, Excellent, (528)
"Great property to stay! "
United States
Fernando
Gulf View Waterfront Resort

Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
2.5 star property
Marathon
9.4 out of 10, Exceptional, (359)
" Beautiful grounds, clean rooms.and nice staff. Great location."
United States
Steven
The price is NT$11,114
NT$12,503 total
includes taxes & fees
Jan 7 - 2026/1/8
Grassy Flats Resort & Beach Club

Kingsail Resort

Kingsail Resort
2.0 star property
Marathon
8.6 out of 10, Excellent, (1044)
"Spacious room great staff helpful and location"
United States
William
The price is NT$4,597
NT$5,172 total
includes taxes & fees
Jan 6 - 2026/1/7
Kingsail Resort

Banana Bay Resort & Marina

Banana Bay Resort & Marina
3.0 star property
Marathon
7.8 out of 10, Good, (1001)
"Clean room, smells good, renewed, excellent bed and pillows , quiet, close to ocean and great peaceful views "
United States
Elba
The price is NT$3,946
NT$5,681 total
includes taxes & fees
Jan 8 - 2026/1/9
Banana Bay Resort & Marina

Lime Tree Bay Resort

Lime Tree Bay Resort
3.5 star property
Long Key
9.2 out of 10, Wonderful, (1108)
"Great place "
United States
Oscar
Lime Tree Bay Resort

Tropical Cottages

Tropical Cottages
3.0 star property
Marathon
8.6 out of 10, Excellent, (910)
"Decent stay, easy check in and contactless checkout. Very quiet and nice place! "
United States
Swastik
The price is NT$4,258
NT$4,790 total
includes taxes & fees
Jan 8 - 2026/1/9
Tropical Cottages

Captain Pips Marina & Hideaway

Captain Pips Marina & Hideaway
3.0 star property
Marathon
9.0 out of 10, Wonderful, (1003)
"Staff was great, room was super clean AND location was perfect. "
United States
Grace
The price is NT$4,230
NT$5,645 total
includes taxes & fees
Jan 4 - 2026/1/5
Captain Pips Marina & Hideaway

Bonefish Bay Motel

Bonefish Bay Motel
2.5 star property
Marathon
9.2 out of 10, Wonderful, (489)
"Very nice place. Room was clean and staff very nice."
United States
MARILA
Bonefish Bay Motel

Yacht Haven Marina

Yacht Haven Marina
3.5 star property
Marathon
9.8 out of 10, Exceptional, (241)
"Friendly staff and extremely clean."
United States
Travis
Yacht Haven Marina

Conch Key Fishing Lodge and Marina

Conch Key Fishing Lodge and Marina
2.5 star property
Marathon
7.8 out of 10, Good, (675)
"Love this place it’s a hidden gem, cozy, comfy, and cute"
United States
Holly
Conch Key Fishing Lodge and Marina

Hawks Cay Resort

Hawks Cay Resort
4.0 star property
Marathon
8.0 out of 10, Very Good, (1003)
"Excellent place for family vacation "
United States
Aneesah
The price is NT$9,223
NT$12,580 total
includes taxes & fees
Jan 4 - 2026/1/5
Hawks Cay Resort

Aqua Lodge Rentals At Coconut Cay

Aqua Lodge Rentals At Coconut Cay
3.5 star property
Marathon
9.6 out of 10, Exceptional, (199)
"A unique and interesting place to vacation. Relaxing yet close enough to things to do. I highly recommend the Aqua Loge rentals as a place to stay."
United States
Keith
Aqua Lodge Rentals At Coconut Cay

Knight's Key Suites

Knight's Key Suites
3.0 star property
Marathon
9.0 out of 10, Wonderful, (1157)
"Very good location.. Clean room."
United States
Leonor
The price is NT$3,977
NT$5,152 total
includes taxes & fees
Jan 15 - 2026/1/16
Knight's Key Suites

Coconut Cay Resort & Marina

Coconut Cay Resort & Marina
2.0 star property
Marathon
8.4 out of 10, Very Good, (1003)
"Nice clean room and friendly accommodating staff."
United States
Jerri Anne
The price is NT$6,666
NT$7,499 total
includes taxes & fees
Jan 4 - 2026/1/5
Coconut Cay Resort & Marina

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
3.0 star property
Marathon
9.0 out of 10, Wonderful, (1000)
"Food great. Grounds kept prestine"
United States
Donald
The price is NT$7,543
NT$9,729 total
includes taxes & fees
Jan 5 - 2026/1/6
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

Edgewater Lodge

Edgewater Lodge
2.5 star property
Long Key
8.6 out of 10, Excellent, (801)
"Room was clean. Bathroom was modern. Beds are soft, but comfortable. Check-in was efficient. Beach access was disappointing as there was no direct access from our room. Priced affordably."
United States
Lisa Marie
The price is NT$7,636
NT$8,591 total
includes taxes & fees
Jan 6 - 2026/1/7
Edgewater Lodge

Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort
4.0 star property
Marathon
8.8 out of 10, Excellent, (1005)
"Great resort with lots of fun things to do. Really enjoyed our stay there. Would highly recommend it."
United Kingdom
Jaskaran
The price is NT$10,068
NT$13,391 total
includes taxes & fees
Jan 12 - 2026/1/13
Tranquility Bay Beachfront Hotel and Resort

Skipjack Resort & Marina

Skipjack Resort & Marina
3.0 star property
Marathon
8.6 out of 10, Excellent, (1218)
"Beautiful location clean rooms friendly staff "
United States
Tiffany
Skipjack Resort & Marina

Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys
2.5 star property
Marathon
9.2 out of 10, Wonderful, (1051)
"Great staff, clean room, good breakfast "
United States
Kelly
The price is NT$6,907
NT$7,771 total
includes taxes & fees
Jan 4 - 2026/1/5
Fairfield Inn & Suites by Marriott Marathon Florida Keys
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Save an average of 15% on thousands of hotels when you're signed in

Stay near popular South Florida attractions

Learn more about Grassy Key

Experience the seaside area of Grassy Key—beaches, a scenic waterfront, and sights from Curry Hammock State Park to Keys Cable Park.

Dolphin Research Center showing signage

Top Grassy Key Hotel Reviews

More cheap stays in Grassy Key

Hotels in Grassy Key with star-rating

Find out more about Grassy Key

Top reasons to visit Grassy Key

  • Stunning Beaches: Grassy Key boasts beautiful beaches perfect for sunbathing and relaxation.
  • Outdoor Adventures: Engage in thrilling activities like snorkeling, kayaking, and paddle boarding.
  • Family-Friendly Atmosphere: This destination offers a welcoming environment for families and pets.
  • Scenic State Parks: Explore picturesque parks that highlight the natural beauty of the Florida Keys.
  • Diverse Accommodation Options: Choose from charming resorts, hotels, and RV parks catering to various needs.

Find great hotels near Grassy Key

Grassy Key offers a variety of accommodation options, including charming resorts and hotels perfect for adventure-seeking travelers. Families and pet owners will find welcoming environments that cater to their needs. Whether you’re looking for the scenic Grassy Flats Resort or RV parks in the Florida Keys, this destination provides a range of lodging choices for a memorable vacation experience.

  • Hawks Cay Resort: Nestled 4.8km from Grassy Key, Hawks Cay Resort is a luxurious 4-star destination designed for adventurers and families alike. This vibrant resort welcomes the LGBTQIA community and offers a plethora of adventure sports and recreational activities both onsite and nearby. Guests can enjoy boat tours, water sports, and hiking or biking in the surrounding areas. Families will appreciate the dedicated children’s amenities, including a children’s club and playground, ensuring a fun-filled vacation for all. With its welcoming atmosphere and diverse offerings, Hawks Cay Resort promises an unforgettable getaway.
  • Fairfield Inn & Suites by Marriott Marathon Florida Keys: Located 8.0km from Grassy Key, Fairfield Inn & Suites is perfect for business travelers and beach enthusiasts. This hotel provides direct access to the beautiful beach, allowing guests to enjoy sun-soaked days by the water. With a focus on comfort and convenience, it offers modern accommodations equipped with essential amenities for a productive stay. Ideal for those combining work with leisure, guests can unwind and recharge after a busy day.
  • Kingsail Resort: Situated 12.9km from Grassy Key, Kingsail Resort caters to adventurous souls and pet owners. This cozy motel allows pets, making it an excellent choice for travelers wishing to bring their furry companions along. Guests can indulge in various adventure activities such as snorkeling, fishing, and boat tours nearby. The friendly atmosphere and pet-friendly policies ensure that both you and your pets feel right at home, making it a unique place to stay during your Florida Keys vacation.

Where to stay near Grassy Key

Grassy Key, a charming village in the Middle Keys, offers a perfect blend of relaxation and adventure. Known for its stunning beaches and family-friendly atmosphere, visitors can explore the serene Grassy Flats or enjoy outdoor activities like snorkeling and kayaking. This vacation spot is ideal for creating unforgettable memories with loved ones while soaking up the friendly vibes and natural beauty of the area. Discover the best of Grassy Key for a truly enriching travel experience.

  • Marathon: Nestled in the heart of the Florida Keys, Marathon is a vibrant city that offers a perfect blend of relaxation and adventure. With Grassy Key as part of its landscape, Marathon attracts visitors year-round, peaking during March to April and September. Here, families can enjoy stunning beaches, outdoor activities, and recreational areas, making it an ideal destination for beach lovers. Explore local shopping centers or unwind at luxurious resorts, and don't miss the chance to visit family-friendly attractions that dot the shoreline.
  • Key Colony Beach: Just a short drive from Grassy Key, Key Colony Beach is a picturesque island city known for its tranquil atmosphere and beautiful sandy shores. This charming destination sees a seasonal influx of tourists, especially during March and the summer months of June to July. Visitors flock here for its family-friendly beaches and outdoor activities. Shop at local stores or relax in recreational areas while soaking up the sun. Key Colony Beach is the perfect spot for those looking to unwind in a serene coastal environment.
  • Duck Key: Located a mere 4.8km from Grassy Key, Duck Key is a quaint village that embodies the essence of island living. With its steady visitor numbers peaking in March to April and July, Duck Key offers a laid-back yet engaging experience. Families can enjoy pristine beaches and an array of outdoor activities. The village is home to resorts and shopping areas, ensuring that everything you need is close at hand. Explore the local attractions, including family-friendly beaches that make Duck Key a beloved getaway.

Things to do in and around Grassy Key

Grassy Key is perfect for a beach and outdoor family vacation, offering a range of exciting activities. Enjoy the sun at beach clubs, embark on outdoor adventures, and explore paddle boarding. For thrill-seekers, action water sports are available, along with live music to enhance your experience. Nearby, you'll find recreational areas, shopping centers, and malls to complete your visit.

Shopping

For shopping in Grassy Key, visit the Big Pine Key Flea Market, located 41.8km away, offering a vibrant public market atmosphere. Alternatively, check out Rain Barrel Village, 43.5km away, known for its family-friendly vibe and unique local crafts and gifts.

Recreation

Experience luxury at Florida Keys Country Club, located 14.5km from Grassy Key. Enjoy upscale amenities, relax by the pristine pool, and indulge in spa treatments. For recreation, play a round of golf or engage in tennis while surrounded by the beautiful Florida landscape.

Adventure

Experience thrilling water sports at Keys Cable Park, where the adrenaline flows as you wakeboard or paddleboard against the stunning backdrop of Grassy Key. For a unique adventure, journey to Pigeon Key for outdoor activities, or dive into the underwater wonders at Florida Keys Dive Center, located 49.9km away.

Nightlife

Experience the vibrant nightlife at the nearby Islander Watersports for thrilling water sports and sunset cruises. For a laid-back evening, visit the Sunset Grille and Raw Bar for fresh seafood and cocktails while enjoying live music by the water.

*Distances are measured in a straight line; actual driving distances may vary depending on the route.

Booking tips and Expedia advantages for Grassy Key

To save money on your trip to Grassy Key, plan your visit between September and November for lower accommodation rates. Booking a hotel about a month in advance can yield the best prices, and check for last-minute deals on Expedia. Tuesdays are the least expensive days to stay, while Saturdays are the most costly. Use Expedia's filters to find budget-friendly eco-certified hotels and sort by price for the best deals. Consider booking a package that includes your hotel, flights, and activities to maximize savings.

  • The most and least expensive months on average to stay in a hotel: The cheapest months to stay around Grassy Key are September to November, where the prices are slightly lower. This is in comparison to February to April, where prices are slightly higher.
  • The best time to book a hotel: The cheapest time to book a hotel around Grassy Key is usually 1 month out from when you are planning to stay, though if you're late to the party, have a look at Expedia's last minute deals - the green banner below the hotel's price indicates a discounted rate.
  • The most and least expensive days on average to stay in a hotel: The least expensive day to stay around Grassy Key is Tuesday. The most expensive day to stay around Grassy Key is Saturday.
  • Find cheap hotels on Expedia: Utilize Expedia's search tool to tailor your options according to your budget, desired location, and preferred hotel type. For instance, selecting the Eco-certified filter will showcase sustainable and environmentally-friendly hotels that are currently available. To find the best prices and deals, simply sort the price filter from lowest to highest.
  • Consider bundling your trip: You can save money by booking an Expedia package that combines your Grassy Key hotel stay with your flights and activities.

Find the best attractions near Grassy Key

Grassy Key, Florida, is an ideal destination for beach and outdoor family vacations. This charming area offers a variety of attractions, including stunning beaches, scenic state parks, and picturesque islands, perfect for adventure seekers. Visitors can explore the beautiful Florida Keys and engage in various activities that cater to both relaxation and excitement, making it an unforgettable getaway for travelers of all ages.

  • Curry Hammock State Park: Immerse yourself in the natural beauty of Curry Hammock State Park, located just 3.2km from Grassy Key. This park offers a delightful blend of scenic views and outdoor adventures, including kayaking, biking, and hiking along its picturesque trails.
  • Sombrero Beach: Relax at Sombrero Beach, situated 16.1km away. Known for its soft sand and crystal-clear waters, this beach is perfect for sunbathing, swimming, and family picnics, offering a quintessential beach vibe.
  • Little Conch Key: Explore Little Conch Key, a serene island located 6.4km from Grassy Key. Enjoy outdoor activities like fishing and snorkeling while taking in breathtaking views of the surrounding waters.

Best time to go to Grassy Key

The best time to visit Grassy Key, Marathon is dependent on what kind of holiday you are seeking. August is its hottest month on average. At this time, visitor numbers are average and weather is mostly sunny with light rain. January is its coolest month on average. At this time, visitor numbers are average and weather is mostly sunny with no rain.

calendarCalendar MonthtemperatureTemperaturerainPrecipitationmostlyCloudinessoccupationOccupancypricePricing
January70.9°F (21.6°C)No RainMostly SunnyAverageAverage
February72.1°F (22.3°C)No RainMostly SunnySlightly HighSlightly High
March73.2°F (22.9°C)No RainMostly SunnySlightly HighSlightly High
April76.8°F (24.9°C)No RainMostly SunnyAverageSlightly High
May79.3°F (26.3°C)Light RainMostly SunnyAverageAverage
June82.6°F (28.1°C)Light RainMostly SunnyAverageAverage
July84.0°F (28.9°C)Light RainMostly SunnySlightly HighAverage
August84.4°F (29.1°C)Light RainMostly SunnyAverageAverage
September83.5°F (28.6°C)Light RainMostly SunnySlightly LowSlightly Low
October80.6°F (27.0°C)Light RainMostly SunnySlightly LowSlightly Low
November76.5°F (24.7°C)Light RainMostly SunnySlightly LowSlightly Low
December73.6°F (23.1°C)No RainMostly SunnyAverageAverage

The nearest major airports for your trip to Grassy Key

When visiting Grassy Key, Florida, you can fly into two major airports. Marathon, FL (MTH-Florida Keys Marathon) is located 11.3km away, with excellent hotel options like the 4.5-star Isla Bella Beach Resort & Spa and the 4-star Tranquility Bay Beachfront Hotel and Resort, both within 6.4km of the airport. Alternatively, Key West, FL (EYW-Key West Intl.) is 83.7km from Grassy Key, offering luxurious stays at the 5-star Casa Marina Key West and the 4-star Margaritaville Beach House, both conveniently located within 3.2km of the airport. Transportation services are readily available from these hotels to the respective airports.

Explore a world of travel with Expedia