moderate
1–3 hours
Moderate fitness required to handle jet skis and spend time in the sun and wind.
Hit the turquoise waters of Marathon, Florida, on a jet ski from Grassy Key Marina. Perfect for families and thrill-seekers, this rental offers safe, flexible options to explore the vibrant marine environment with unforgettable views and wildlife around every turn.
1-3 Hours & Daily Rentals • 2 People per Jet Ski
Experience the thrill of jet skiing at Grassy Key Marina in Marathon, Florida! Enjoy the stunning waters while navigating your own personal watercraft. With safety courses required for younger operators, this adventure is perfect for families and thrill-seekers alike. Create unforgettable memories on the water with friends and loved ones!
1-3 Hours & Daily Rentals
Children 5 and up passenger with adult operator.
Grassy Key Marina Jet Ski Rental for your enjoyment in the beautiful Marathon, Florida.
You must be at least 18 to rent a Personal Water Craft in Florida. No one under the age of 18 is allowed to operate our PWC's. Each PWC is limited to no more than two occupants. If you were born after January 1, 1988, you must take the Florida Safe Boating Course online prior to renting any PWC in Florida.
Grassy Key Marina requires life jackets when operating jet skis to ensure your safety on the water.
Operators under 18 must take a safety course before renting to understand local water regulations and safety protocols.
Protect Florida Keys coral reefs by using eco-friendly sunscreen before heading out on the water.
Waters can change quickly; reviewing the forecast helps ensure a safe and enjoyable jet ski experience.
Marathon’s marine environment has long supported local fishing communities, with the marina serving as a hub for both recreation and tradition.
Grassy Key Marina promotes eco-friendly practices including reef-safe sunscreen and responsible watercraft operation to protect fragile coral reef ecosystems.
Required for safety on the water during your jet ski rental.
Protects your skin and the fragile marine environment.
summer specific
Keep your phone safe while capturing memories on the water.
Ideal for comfort and sun protection during your ride.
summer specific