Sagamore Court, Portsmouth, NH, 03801. Bedrooms: 0-2. Sagamore Court is situated in the heart of the charming seaside city of Portsmouth, New Hampshire. Within the city, residents find easy access to shopping, fine dining, galleries, theatre, and cultural attractions. Moments away, residents can cruise to the Isles of Shoals or explore the area's many beaches. We are close to Interstate 95 and Routes 4 and 16 to the White Mountains.