Grassy Key Marina
Visit Grassy Key Marina
Things to do
Sandbar Adventure Cruise in the Florida Keys
£75
per adult
100% of travellers recommend
Day Sailing Adventure in the Florida Marine Sanctuary
£90
per adult
100% of travellers recommend
Plan a trip to see Grassy Key Marina
Price found within the past 48 hours. Click for updated prices.
Hotel Riu Plaza Miami Beach
Mid Beach
Save 100% on your flight
Price was £1,701, price is now £1,056 per person
£1,056
per person
16 Dec - 23 Dec
found 7 hours ago
Return flight included
London (LON) to Miami (MIA)
8.2/10 Very good! (1,199 reviews)
I wish they had room service and there were no ice machines on the 10th floor. That's my only problem otherwise everything was great
Reviewed on 9 Oct 2026
Tours & day trips
See all 16 activities
Mangroves and Manatees - Guided Kayak Eco Tour
Activity duration is 2 hours
9.6 out of 10 with 570 reviews
Free cancellation available
Water activities
See all 7 activitiesMangroves and Manatees - Guided Kayak Eco Tour
Activity duration is 2 hours
9.6 out of 10 with 570 reviews
Free cancellation available
Private & custom tours
See all 5 activities
Marathon: Private Cable or Cable Kiteboarding Session
Activity duration is 1 hour
Free cancellation available
Wildlife & nature
See all 4 activities
Marathon, Florida Keys: Sunset Cruise with Local Seafood
Activity duration is 2 hours
9.6 out of 10 with 8 reviews
Free cancellation available
Stay near popular Grassy Key Marina attractions
Top Hotel Deals
Check availability on hotels close to Grassy Key Marina
Hawks Cay Resort
61 Hawks Cay Blvd Marathon FL
Gulf View Waterfront Resort
58743 OVERSEAS HWY Marathon FL
Beachfront Explorer!
Marathon FL
MILLION DOLLAR VIEW very private 4 bedroom resort with pool, pier, kayaks, spa
Marathon FL
Fully furnished studio, 50 yards from ocean, shared pool, fishing-jetty
Marathon FL
Rainbow Bend Resort
57784 Overseas Hwy Marathon FL
The Nautilus on the Ocean in Grassy Key 4 bed 3 bath with private pool, Hot Tub and oceanfront, 2 kayaks included
Marathon FL
Grassy Flats Resort & Beach Club
58182 Overseas Hwy Marathon FL
Oceanfront 5BR | Pool, Beach & Atlantic Views
Marathon FL
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.