During the American Revolution, the area and Old Mans Harbor were under British control. However, because of its remote location the British did not have troops stationed here. Many citizens moved their families to Connecticut during British occupation. During the course of the war, American agents visited local patriots and received information, clothing, supplies and money to support the cause. In 1780, American Major Benjamin Tallmadge and a detachment of Continental Army dragoons landed at Cedar Beach and traveled south to successfully attack the British at Manor St. George. The route he and his men took is now marked as a historic trail.