Find hotels in Grassy Key, FL from $66

These Grassy Key insights are based on real traveler data from Expedia, aggregated using AI to help you plan your trip. Updated: September 6, 2026.

Top reasons to visit Grassy Key

• Stunning Beaches: Grassy Key boasts beautiful beaches perfect for relaxation and family fun.
• Outdoor Adventures: Enjoy paddleboarding, water sports, and exploration of nearby national and state parks.
• Family-Friendly Activities: The area features a water park and recreational areas for all ages.
• Charming Accommodations: A variety of lodging options cater to families, pets, and adventurers.
• Laid-Back Atmosphere: Experience the friendly locals and a relaxing vibe throughout your stay.

Find great hotels near Grassy Key

Grassy Key, Florida, offers a delightful selection of accommodations for every traveler. From family-friendly resorts to pet-friendly hotels, you’ll find the perfect spot to unwind and explore the beautiful Florida Keys. Whether you're seeking adventure or relaxation, the hotels in Grassy Key cater to diverse needs, ensuring a memorable vacation experience. Discover the charm of Grassy Flats Resort and other top-rated options that make this destination a favorite among visitors.

• Hawks Cay Resort: A premier 4-star destination, Hawks Cay Resort offers a luxurious escape just 3 miles from Grassy Key. With a guest rating of 8.0, it's perfect for those seeking a blend of relaxation and adventure. This resort boasts direct beach access, inviting guests to indulge in a variety of water activities. Adventure seekers can enjoy onsite snorkeling and kayaking, along with nearby motorboating and bicycle rentals. The resort's family-friendly atmosphere, combined with upscale amenities, makes it an ideal choice for a memorable beach vacation.
• Fairfield Inn & Suites by Marriott Marathon Florida Keys: This budget-friendly hotel, located 5 miles from Grassy Key, enjoys a stellar guest rating of 9.2. The Fairfield Inn & Suites is perfect for families and adventure enthusiasts alike, offering direct access to the beach and onsite parasailing. Guests can also partake in fishing or waterskiing nearby, while bicycle rentals open up opportunities for exploration. With its comfortable accommodations and friendly service, this hotel is a fantastic value for those looking to enjoy the beauty of the Florida Keys.
• Kingsail Resort: Situated 8 miles from Grassy Key, Kingsail Resort is a budget-friendly motel with a guest rating of 8.6, appealing to both adventure seekers and pet lovers. This welcoming property features direct access to kayaking and nearby snorkeling and sailing opportunities. The resort's pet-friendly policy, allowing dogs, ensures that furry companions can join in on the fun. With its cozy atmosphere and recreational activities, Kingsail Resort provides an inviting base for exploring the picturesque surroundings of the Florida Keys.

Where to stay near Grassy Key

Grassy Key is a tropical paradise perfect for family vacations, offering stunning beaches and outdoor adventures. Explore the tranquil surroundings, friendly locals, and top-notch recreational spots. Don't miss the beautiful Grassy Flats and the ultimate Grassy Key getaway experiences. With its laid-back atmosphere, this vacation spot invites you to relax and enjoy unforgettable excursions with loved ones. Discover the best spots to create lasting memories in this idyllic island village.

• Marathon: Nestled in the heart of the Florida Keys, Marathon is a vibrant city that offers a blend of outdoor adventures and family-friendly experiences. With Grassy Key situated within its bounds, Marathon serves as a central hub for visitors. While traveler traffic remains steady year-round, expect peak periods in March to April and September. Here, you can enjoy an array of activities, from relaxing on beautiful beaches to exploring local shopping centers. Popular attractions include the iconic Seven Mile Bridge and the Dolphin Research Center, making it a perfect destination for beach lovers and families alike.
• Key Colony Beach: A charming island city located a mere 5 miles from Grassy Key, Key Colony Beach is a serene escape for those seeking relaxation and family fun. This destination sees a seasonal influx of visitors, with peak times in March and June to July. The picturesque beaches provide ample opportunities for sunbathing and water sports, while local recreational areas cater to families looking for outdoor activities. Key Colony Beach is known for its close-knit community vibe, ensuring a welcoming atmosphere for travelers seeking a peaceful getaway.
• Duck Key: Just 3 miles from Grassy Key, Duck Key is a quaint village known for its stunning island landscapes and outdoor adventures. Unlike other areas, its visitor numbers remain fairly consistent throughout the year, with peaks in March to April and July. Duck Key is perfect for families and outdoor enthusiasts who want to immerse themselves in nature. With beautiful beaches and luxurious resorts, you can easily spend your days swimming, kayaking, or simply soaking up the sun. Don't miss the chance to explore the area's unique charm and hospitality while enjoying the scenic beauty surrounding you.

Things to do near Grassy Key

Grassy Key, Florida, is perfect for a family vacation filled with beach and outdoor activities. Visitors can enjoy paddleboard rentals, explore local attractions, and relax at a beach club. Additionally, there’s a nearby water park and recreational areas, alongside shopping malls and other shopping spots, ensuring a fun and adventurous getaway for everyone.

Shopping

In Grassy Key, visit the nearby Marathon Mall for a variety of shops and local boutiques offering unique souvenirs. The area's charming gift shops feature handmade crafts and local artwork, perfect for remembering your trip. Enjoy exploring the vibrant atmosphere while shopping for gifts to take home.

Recreation

At Florida Keys Country Club, indulge in luxury vibes while enjoying golf, tennis, and spa services. The serene surroundings provide a perfect backdrop for relaxation, making it an ideal spot for wellness activities and recreational pursuits amidst the beauty of the Florida Keys.

Adventure

In Grassy Key, explore the vibrant marine life with a snorkeling adventure at the nearby Sombrero Reef. For a thrilling experience, try kayaking through the mangroves, where you can spot diverse wildlife and enjoy the serene surroundings. Don’t miss the chance to go fishing in the Gulf of Mexico.

Nightlife

Grassy Key offers a laid-back nightlife with stunning sunset views. Enjoy cocktails at the local bar overlooking the water, or savor fresh seafood at a nearby restaurant. For live music, check out the vibrant beachside venues, which create a relaxed yet lively atmosphere perfect for unwinding after a day of exploration.

Booking tips and Expedia advantages for Grassy Key

• 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. If you're a little more spontaneous, you could also peruse Expedia's last minute deals which could secure you a cheaper stay. Look out for the green banner below the price to spot the deals.
• 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 customize your options based on your budget, desired location, and preferred hotel type. To find the best prices and deals, simply arrange the price filter from lowest to highest.
• Consider bundling your trip: You can save money by combining your hotel stay in Grassy Key with your flights and activities through an Expedia package deal.

Find the best attractions near Grassy Key

Grassy Key is an ideal destination for beachgoers and outdoor enthusiasts seeking a family-friendly vacation. Visitors can enjoy a variety of attractions, including beautiful beaches, stunning islands, and nearby national and state parks. With plenty of opportunities for adventure and relaxation, Grassy Key has something for everyone, ensuring a memorable experience for all types of travelers.

• Curry Hammock State Park: Located just 2 miles from Grassy Key, this park offers stunning scenery and a variety of outdoor adventures. Explore its beautiful trails, enjoy kayaking, or relax on the beach while soaking in the natural beauty of Florida’s coastal ecosystem.
• Coco Plum Beach: Approximately 4 miles away, Coco Plum Beach is a tranquil paradise known for its soft sands and clear waters. Ideal for sunbathing and swimming, it's the perfect spot to unwind and enjoy the quintessential Florida beach vibes.
• Little Conch Key: This charming island, situated 4 miles from Grassy Key, features outdoor activities and picturesque beach scenes. Enjoy kayaking, fishing, or simply lounging on the shore while taking in the stunning 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.

Calendar Month	Temperature	Precipitation	Cloudiness	Occupancy	Pricing
January	70.9°F (21.6°C)	No Rain	Mostly Sunny	Average	Average
February	72.1°F (22.3°C)	No Rain	Mostly Sunny	Slightly High	Slightly High
March	73.2°F (22.9°C)	No Rain	Mostly Sunny	Slightly High	Slightly High
April	76.8°F (24.9°C)	No Rain	Mostly Sunny	Average	Slightly High
May	79.3°F (26.3°C)	Light Rain	Mostly Sunny	Average	Average
June	82.6°F (28.1°C)	Light Rain	Mostly Sunny	Average	Average
July	84.0°F (28.9°C)	Light Rain	Mostly Sunny	Slightly High	Average
August	84.4°F (29.1°C)	Light Rain	Mostly Sunny	Average	Average
September	83.5°F (28.6°C)	Light Rain	Mostly Sunny	Slightly Low	Slightly Low
October	80.6°F (27.0°C)	Light Rain	Mostly Sunny	Slightly Low	Slightly Low
November	76.5°F (24.7°C)	Light Rain	Mostly Sunny	Slightly Low	Slightly Low
December	73.6°F (23.1°C)	No Rain	Mostly Sunny	Average	Average

The nearest major airports for your trip to Grassy Key

Traveling to Grassy Key, Florida, is convenient with several airport options. MIAmi International Airport (MIA) is located 83 miles away, with nearby luxury hotels like W South Beach and 1 Hotel South Beach, both 9 miles from the airport, and InterContinental Miami, just 6 miles away. Key West International Airport (EYW) is 52 miles from Grassy Key, offering elegant stays such as Casa Marina Key West, 2 miles away, and Parrot Key Hotel & Villas, 1 mile from the airport. Lastly, Florida Keys Marathon Airport (MTH) is only 7 miles away, with Isla Bella Beach Resort & Spa located 4 miles from the airport, making it easy to access Grassy Key.