TPA will be the airport that you're most likely to fly into, unless you're feeling dangerous and want to try one of the airlines that fly into PIE. It's closer, but you'll pay for it psychologically in the end.
Hotel
The Vinoy® Renaissance St. Petersburg Resort & Golf Club
450 7th Avenue Northeast, St. Petersburg, FL 33701
Hotel
Hampton Inn & Suites St. Petersburg/Downtown
80 Beach Drive Northeast, St. Petersburg, FL 33701