I do know that the college has a fleet of 200+ brightly yellow bikes available for students to use to get around..... You just find a bike, use a bike, and leave it when your done for the next student.
Here is the Pinellas county bus system.
Pinellas Suncoast Transit Authority. EC is on bus routes 19 and 90, and 90 is just 1-2 stops away from transferring to the Suncoast Beach Trolley!
http://www.psta.net/PDF/PSTA%20Map%202008-web.pdf Baypoint shopping center, Maximo Plaza and Walmart are on route 90 and a few stops away.
Maybe a visit to the campus and a few bus rides while you are there. And the kids with cars are generally going themselves to get groceries and supplies. And $5 for gas for the driver generally gets an easy ride these days on a trip they need to take anyway