Grassy Key Adults Only Holidays
Book a Adults Only Hotel + Flight or Car together to unlock savings
- Plan, book, travel with confidence
- Better togetherSave up to £750 when you book a flight and hotel together*
- Find the right fitWith over 300,000 hotels worldwide, it's easy to create a perfect package
- Rest easyPackages with flights are ATOL protected
Top flight + Adults Only hotel deals in Grassy Key
Price found within the past 48 hours. Click for updated prices.
The Retreat Collection at 1 Hotel & Homes South Beach
South Beach
£16,157
per person
26 Dec - 31 Dec
found 8 hours ago
Return flight included
London (LON) to Miami (MIA)
8/10 Very good! (1 review)
Horrible checkin / checkout... Would never stay there again...Double charged me entire stay and still fighting to get someone to refund 2nd one that is so clearly a duplicate for same stay....
Reviewed on 22 Jun 2016
Hotel Riu Plaza Miami Beach
Mid Beach
£1,072
per person
4 Dec - 10 Dec
found 24 hours ago
Return flight included
London (LHR) to Miami (MIA)
8.2/10 Very good! (1,193 reviews)
This was our third time staying there every time we go back it’s awesome. I would recommend this resort to anybody because you got breakfast and dinner included and it is a great deal for the price.
Reviewed on 2 Oct 2026
5* Adults Only holidays in Grassy Key
Price found within the past 48 hours. Click for updated prices.
The Retreat Collection at 1 Hotel & Homes South Beach
South Beach
£16,157
per person
26 Dec - 31 Dec
found 8 hours ago
Return flight included
London (LON) to Miami (MIA)
8/10 Very good! (1 review)
Horrible checkin / checkout... Would never stay there again...Double charged me entire stay and still fighting to get someone to refund 2nd one that is so clearly a duplicate for same stay....
Reviewed on 22 Jun 2016
4 Night Adults Only holidays in Grassy Key
Price found within the past 48 hours. Click for updated prices.
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
* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages. Flight-inclusive packages are ATOL protected.
