Admiral's Hill Marina

Welcome to our charming marina in Chelsea, set along the peaceful banks of the Mystic River. Ideally located near Mary O'Malley State Park and the historic site of the former Naval Hospital, the marina offers a unique balance of quiet waterfront relaxation and easy access to nearby attractions. A short cruise brings you to Boston Harbor and the upscale Encore Boston Harbor, making this an excellent home base for boaters of every kind. Our 140-slip marina is thoughtfully designed for calm-water docking and smooth departures. Slip rentals include a range of complimentary amenities, such as free parking, Wi-Fi, and access to clean, well-maintained restrooms and showers. For added convenience, we provide coin-operated commercial laundry machines with mobile payment options to make extended stays comfortable and hassle-free. We proudly welcome liveaboards and foster a friendly, family-oriented atmosphere. Guests can unwind in our inviting outdoor lounge area featuring a tiki bar—perfect for relaxing and connecting after a day on the water. If you’re seeking a quiet, quaint, and welcoming marina experience, we invite you to discover this hidden gem along Chelsea’s waterfront.