About Map Contact 311 Things to Do VISIT THE NEW HARBORWALK WEBSITE & DATABASE About the HarborWalk A near-continuous, 43-mile linear park along Boston’s shoreline, the Harborwalk connects Boston’s waterfront neighborhoods to Boston Harbor and each other.  Nearing completion, it stretches from the Neponset River in lower Dorchester to Constitution Beach in East Boston via Charlestown, … Continue reading Boston Harborwalk