Discovery Bay Marina isn’t just a place to park your boat – it’s a gateway to Delta paradise! Located in Contra Costa County, California, this vibrant waterfront community is where boating dreams take off, and relaxation washes over you like the gentle Delta breeze. The marina offers many amenities including a restaurant, Ship’s Store, and access to the California Delta waterways. Its known for its beautiful setting and recreational opportunities for boaters and water enthusiasts. Our marina offers wet slips 30’ to 90’, dry storage from 21’ to 23’, and trailer storage for all size trailers.