
Deals on vacations and trips to Grassy Key
Save when you book Grassy Key package deals
Grassy Key flight + hotel vacation packages
Price found within the past 48 hours. Click for updated prices.



1 Hotel South Beach
South Beach
Save 100% on your flight
per person
Jul 4 - Jul 7
found 1 day ago
Roundtrip flight included
Atlanta (ATL) to Miami (MIA)
A full-service spa, 3 restaurants, and 3 outdoor pools are all featured at this smoke-free hotel. Relax with beach cabanas, sun loungers, and beach umbrellas. There's fun for all ages with a children's club and a children's pool, and in-room childcare is an added bonus.

The Retreat Collection at 1 Hotel & Homes South Beach
South Beach
per person
Jun 6 - Jun 9
found 1 day ago
Roundtrip flight included
Atlanta (ATL) to Miami (MIA)
This condo resort features 2 restaurants, 3 outdoor pools, and a gym. There's fun for all ages with a children's club and a children's pool, and babysitting is an added bonus. Enjoy the a rooftop terrace and perks like free WiFi.

Nomada Residences
Northeast Miami
Save 100% on your flight
per person
Jul 20 - Jul 25
found 2 hours ago
Roundtrip flight included
New York (JFK) to Miami (MIA)
This apartment features an outdoor pool and a gym. Guests will appreciate free perks like free self parking and WiFi in public areas. A communal living room is provided and the front desk is staffed around-the-clock.
Top Grassy Key hotels deals

Rainbow Bend Resort
57784 Overseas Hwy, Marathon, FL
Free Cancellation
Reserve now, pay when you stay
The price is $166 per night
$166
includes taxes & fees
$147 per night
May 5 - May 6
A private beach and an outdoor pool are featured at this hotel. A hot tub, a restaurant, and a garden are also provided.
On private beach
Pool

Gulf View Waterfront Resort
58743 OVERSEAS HWY, Marathon, FL
The price is $161 per night
$161
includes taxes & fees
$143 per night
May 5 - May 6
This hotel doesn't skimp on freebies - guests receive free WiFi and free self parking. If you want to take your pet along, this pet-friendly property offers everything you'll need for your pet including an off-leash area. There's an outdoor pool on site, and laundry facilities and barbecue grills are also offered.
Pool
Pet friendly

Grassy Flats Resort & Beach Club
58182 Overseas Hwy, Marathon, FL
Free Cancellation
Reserve now, pay when you stay
The price is $449 per night
$449
includes taxes & fees
$399 per night
May 20 - May 21
This smoke-free hotel features a private beach, 2 outdoor pools, and a restaurant. Spend a day at the beach kayaking, or relax with sun loungers and beach umbrellas. Relax with a drink at the bar/lounge and enjoy perks like free self parking and free WiFi.
On private beach
Pool

Sunsets in Paradise~ Gulf Front Pool Home, 22' Dock, Kayaks & Bikes
Laundry facilities, concierge services, and barbecue grills are available at this vacation home.
Pool
Kitchen

Hawks Cay Resort
61 Hawks Cay Blvd, Marathon, FL
Free Cancellation
Reserve now, pay when you stay
The price is $352 per night
$352
includes taxes & fees
$314 per night
May 21 - May 22
This traditional hotel features a private beach, a full-service spa, and a marina. Enjoy beachfront dining and relax with sun loungers and beach umbrellas. There's fun for all ages with a children's pool and a playground, and families will appreciate the picnic area.
On private beach
Pool

Isla Bella Beach Resort & Spa
1 Knights Key Boulevard, MM 47, Marathon, FL
Free Cancellation
Reserve now, pay when you stay
The price is $352 per night
$352
includes taxes & fees
$312 per night
May 6 - May 7
This smoke-free hotel features a full-service spa, 5 outdoor pools, and a restaurant. Spend a day at the beach scuba diving, or relax with sun loungers and beach umbrellas. Relax with a drink at one of the 2 bars/lounges and get perks like free WiFi.
Pool
Spa
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.
Popular places to visit

Dolphin Research Center
4.5/5(194 reviews)
Learn about the playful nature of dolphins before swimming alongside these clever marine mammals at this entertaining research facility.

Sombrero Beach
4.5/5(417 reviews)
Play beach games; go swimming, kayaking or snorkeling; and lounge in the sun at one of Marathon’s most visited beaches.

Seven Mile Bridge
4.5/5(830 reviews)
Walk, jog, cycle or drive across one of the longest bridges in North America to take in the scenic ocean views it provides.
Frequently asked questions
Photos of local treasures
Browse Grassy Key vacation photos for more inspiration
Top all inclusive vacation packages with airfare
Book a vacation to Grassy Key
Most popular
Hotels
Cheap Hotels in Lido KeyOkaloosa Island Beach Resorts & HotelsAmelia Island Beach Resorts & HotelsCheap Hotels in Amelia IslandAmelia Island Pet Friendly HotelsCheap Hotels in North Fort LauderdaleCheap Hotels in Duck KeyCheap Hotels in International DriveCheap Hotels in Stock IslandGasparilla Island Beach Resorts & HotelsManasota Key Beach Resorts & HotelsCheap Hotels in South TampaLido Key Beach Resorts & HotelsCheap Hotels in Honeymoon Island State ParkCasey Key Beach Resorts & Hotels
Activities
Packages
Vacation Rentals