Shuttle leaves hotel every 15 minutes, on the hour.
First Park your car then wait near Hotel entrance for shuttle which leaves at the top of each hour and every 15 minutes after. Pay upon your return.
The Courtyard Hotel by Marriott LGA offers a great alternative to the on-airport lots at LaGuardia. Open 24 hours a day very day with a free shuttle service to your terminal. The Courtyard Marriott self parking service has great rates and is located just a mile from LGA. You can even grab a Starbucks in the hotel lobby whilst you wait for the shuttle! Next time you fly from LaGuardia Airport why no try parking at The Courtyard Hotel by Marriott?