Book an Appointment with Discovery Wharf at Maine Center for Coastal Fisheries: Welcome to Discovery Wharf at Maine Center for Coastal Fisheries. Immerse yourself in all things fisheries with our interpretive center! Our first day of the 2022 season begins Saturday, May 28. Our summer hours include: Tuesday, Thursday, Friday, and Saturday from 10:00am to 4:00pm (closed for lunch from 12:00pm - 1:00pm). Discovery Wharf is free, but a suggested donation of $10 per family is greatly appreciated. See you soon!