Reservations are required for Shell Island Adventures. All trips are scheduled around tides, and times will vary greatly from day to day. Request the day you would like to visit Shell Island Adventures and the first available trip will be scheduled for you. You will receive a confirmation email within 24 hours. Online reservations should be made at least one day in advance. Reservations may be made online, or by phone (843) 609-7102. You will be notified by phone if adjustments need to be made for weather. Shell Island Adventures is closed on Sundays.