As a Sheraton Sand Key Resort guest, you will have a pass to ride on the Jolly Trolly. This will allow you to ride up and down the Gulf coast beach communities at no charge.
From Airports
Lyft / Uber / Taxi / Car Rental
From either St Petersburg/Clearwater (PIE) or from Tampa Internationals (TPA) there are several methods of ground transportation.
Once at the Resort, most people can do without a car, particularly with the free Jolly Trolly available to guests.