The Alster Tower is often referred to as the Playhouse.
Its design suggests a defense tower similar to those on the Alster River in Germany. This building was intended for the entertainment of guests. The “Shell Room” was to be used for dancing and was so named because of the shape of the roof. The basement housed a bowling alley and plans for the upper floors contained a billiard room, library, bedrooms, cafe, grill and kitchen. The Playhouse remains closed as it receives a dedicated rehabilitation effort designed to stave off any further deterioration allowing for a near future opening. However, exterior views of Alster Tower are grand and a provide picturesque setting to the many wedding ceremonies performed each season at the nearby Heart Island Gazebo.