Sterling Marina has my vote. When I take my vacation in Florida, I rent boats from Miss Patty, she welcomes you & is fair on the prices. Miss Patty is always straight with you. She hooks you up with a pontoon boat, you bring a cooler with snacks & she will give you some ice. Like to ride around to see the dolphins? Like to see manatees? Like to hang out at the Hernando Beach Flats?
If you love the water like I do, Miss Patty is the person to call. If you have kids, the Gulf is loaded with natures wonders. My kids have the time of their life when we get out there on the water. Hernando Beach is off the beaten path, the area isn't congested, you can de-stress.