The Kronstadt Marine-Dom (also known as the Marine Assembly Building) is an iconic historical structure located in Kronstadt, a town on Kotlin Island near St. Petersburg, Russia. Originally constructed in the late 19th century, the building was designed as a naval assembly hall and social center for Russian officers. It was an important part of the naval community in the region, reflecting the significance of the Russian Navy in the area.

The building is known for its grand architectural style, which combines elements of Russian and European influences, showcasing elaborate detailing and impressive scale. It served as a hub for naval personnel, offering a space for meetings, leisure, and various activities related to military and naval life.

Throughout its history, the building has seen many uses, from its initial purpose to serving as a museum and cultural venue. Its location within Kronstadt, an important port town and naval base, only adds to its historical importance.