The Bayside Clam Bar & Grill is located in the heart of Long Island’s South Shore and boasts a 60-mile unobstructed view of the Great South Bay and Fire Island.The Bayside offers an Eco-conscious facility with a focus on fresh, sustainable seafood and ingredients. Our menu has been carefully composed of local favorites with a modern culinary twist. Whether you choose to dine on our casual waterfront deck or grab the perfect cocktail at our indoor bar or outdoor tiki bar, you will experience the best that Long Island has to offer right here in the East Islip Marina. We are open seven days a week for breakfast, lunch, and dinner and offer specials daily.Interested in hosting a waterfront affair? The Bayside Clam Bar and Grill can accommodate all of your needs. Stop by to discuss our package options. Established in 2011. A former concession stand, The Bayside Clam Bar & Grill has been thoroughly updated and transformed into a full service restaurant and bar. We look forward to serving our wonderful patrons for many years to come, and we appreciate their patience as we continue to grow and strive to serve them to the best of our ability.