Title: Pet-friendly Vacations in Grassy Key 2025/2026 | Expedia.ca ![](https://images.trvl-media.com/place/6069251/473d7d6a-4054-46e6-808c-507f897ba4e3.jpg?impolicy=fcrop&w=1200&h=300&q=medium) # Grassy Key Pet-friendly Vacations ## Book a Hotel + Flight or Car together to unlock savings Stay added Flight added Car - Economy - Premium economy - Business class - First class Leaving from Going to Dates Travellers ## Room 1 Adults ChildrenAges 2 to 17 InfantsYounger than 2 I only need accommodation for part of my trip - ## Plan, book, travel with confidence ### Better together Save up to CA $1,096 when you book a flight and hotel together\* ### Find the right fit With over 300,000 hotels worldwide, it's easy to create a perfect package ### Rest easy Plan, book, and manage your trip all in one place ## Pet-friendly Hotels in Grassy Key ![Rainbow Bend Resort](https://images.trvl-media.com/lodging/4000000/3870000/3864000/3863945/60a631db_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Rainbow Bend Resort 57784 Overseas Hwy, Marathon, FL - 22 min walk from Dolphin Research Center Book a stay at this beach hotel in Marathon. Enjoy a private beach, daily housekeeping, and a garden. Our guests praise the breakfast and the helpful staff in ... 8/10 Very Good! (743 reviews) "We had a wonderful week at Rainbow Bend. Pool was awesome. Good breakfast. Staff was very accommodating. I would love to do it all over again!!" Reviewed on Oct 2, 2025 [](https://expedia.ca/Marathon-Hotels-Rainbow-Bend-Resort.h3863945.Hotel-Information) ![Grassy Flats Resort & Beach Club](https://images.trvl-media.com/lodging/37000000/36890000/36881900/36881801/e7fc7008_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Grassy Flats Resort & Beach Club 58182 Overseas Hwy, Marathon, FL - 14 min walk from Dolphin Research Center Stay at this hotel in Marathon. Enjoy free WiFi, free parking, and 2 outdoor pools. Our guests praise the helpful staff and the property condition in our reviews. ... 9.4/10 Exceptional! (322 reviews) "The place is beautiful and very relaxing the staff very nice and accommodating the only thing that needs updating is the mattresses not very comfortable other than that is a hidden gem" Reviewed on Oct 6, 2025 [](https://expedia.ca/Marathon-Hotels-Grassy-Flats-Resort-Beach-Club.h36881801.Hotel-Information) ![Gulf View Waterfront Resort](https://images.trvl-media.com/lodging/14000000/13280000/13278600/13278553/46de1e0c_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Gulf View Waterfront Resort 58743 OVERSEAS HWY, Marathon, FL - 4 min walk from Dolphin Research Center Stay at this hotel in Marathon. Enjoy free WiFi, free parking, and daily housekeeping. Our guests praise the helpful staff and the clean rooms in our reviews. ... 8.4/10 Very Good! (504 reviews) "Amazing view" Reviewed on Oct 1, 2025 [](https://expedia.ca/Marathon-Hotels-Gulf-View-Waterfront-Resort.h13278553.Hotel-Information) [See all 2,261 properties in Grassy Key](https://expedia.ca/Hotel-Search?rfrrid=TG.LP.Hotels.Package®ionId=3000451823) 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. ## More vacations you might like ![](https://forever.travel-assets.com/flex/flexmanager/images/2022/06/08/all-inclusive_holidays_US.jpeg?impolicy=fcrop&w=300&h=300&q=mediumHigh) All Inclusive Vacations [](https://expedia.ca/lp/theme-vacations/all-inclusive-vacations?rfrr=editorial.All_Inclusive%20Vacations.click) ![](https://forever.travel-assets.com/flex/flexmanager/images/2022/10/17/XPC_Beach_Overview_HR_v3.jpg?impolicy=fcrop&w=300&h=300&q=mediumHigh) Beach Vacations [](https://expedia.ca/lp/theme-vacations/beach-vacations?rfrr=editorial.Beach_Vacations.click) ![](https://forever.travel-assets.com/flex/flexmanager/images/2022/06/08/Family_holidays_US_3_.jpeg?impolicy=fcrop&w=300&h=300&q=mediumHigh) Family Vacations [](https://expedia.ca/lp/theme-vacations/kid-friendly-vacations?rfrr=editorial.Family_Vacations.click) ![](https://forever.travel-assets.com/flex/flexmanager/images/2022/04/29/frCA_Sejours_golf-Portugal.jpeg?impolicy=fcrop&w=300&h=300&q=mediumHigh) Golf Vacations [](https://expedia.ca/lp/theme-vacations/golf-vacations?rfrr=editorial.Golf_Vacations.click) ![](https://forever.travel-assets.com/flex/flexmanager/images/2022/07/15/US_Luxury_VR_Miami.jpg?impolicy=fcrop&w=300&h=300&q=mediumHigh) Luxury Vacations [](https://expedia.ca/lp/theme-vacations/luxury-vacations?rfrr=editorial.Luxury_Vacations.click) ![](https://forever.travel-assets.com/flex/flexmanager/images/2022/08/29/romantic.jpg?impolicy=fcrop&w=300&h=300&q=mediumHigh) Romantic Vacations [](https://expedia.ca/lp/theme-vacations/romantic-vacations?rfrr=editorial.Romantic_Vacations.click) ![](https://forever.travel-assets.com/flex/flexmanager/images/2022/10/17/31952_v1_atfraraski22_insta_4.jpg?impolicy=fcrop&w=300&h=300&q=mediumHigh) Ski Vacations [](https://expedia.ca/lp/theme-vacations/ski-vacations?rfrr=editorial.Ski_Vacations.click) ## More Vacations Ideas [Flights to Grassy Key](https://expedia.ca/Cheap-Flights-To-Grassy-Key.d3000451823.Travel-Guide-Flights)[Grassy Key Hotels](https://expedia.ca/Grassy-Key-Hotels.d3000451823.Travel-Guide-Hotels)[Grassy Key Vacation Rentals](https://expedia.ca/Grassy-Key-Vacation-Rentals.d3000451823.Travel-Guide-VacationRentals)[Grassy Key Car Rentals](https://expedia.ca/Car-Rentals-In-Grassy-Key.d3000451823.Car-Rental-Guide)[Grassy Key Vacations](https://expedia.ca/Grassy-Key.d3000451823.Destination-Travel-Guides)[Things to do in Grassy Key](https://expedia.ca/Things-To-Do-In-Grassy-Key.d3000451823.Travel-Guide-Activities) \* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages. ![](https://a.travel-assets.com/mad-service/footer/bnaBanners/BEX_Footer.jpg) ## Go further with the Expedia app Save on select hotels and earn double points when you book on the app. Our app deals help you to save on trips so you can travel more and manage it all on the go. Scan the QR code with your device camera and download our app ![QR code to download the app](data:image/png;base64,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)