Staying at the Windjammer and St. Lucia for the first time in July. We'll be flying into SLU so won't have a long ride to resort but will flying out of the other airport that is much further away. We've been told a ride to that airport is $85.00. We'd like to rent a car at sometime for groceries and to see the island. Do we need a car for the week? Is there a grocery close to get provisions? Recommendations on rental companies? Cost I'm seeing is $60 per day for a car. We're not tour people. We just want to explore the island, snorkel, crash on the beach. Thanks for your expertise!!!!!