The Hiiumaa Military Museum is located in the former Tahkuna board guard station. The museum's most significant exhibit is the collection of coastal defence artillery. This includes 180 mm, 130 mm, and 100 mm artillery guns. The outdoor exhibition includes armoured vehicles such as the BTR-70 and BRDM-2, ZIL-157, GAZ-66, and other cars, as well as a blast shelter, a border guard cutter, naval mines, an anti-tank gun, a watchtower of the border guard, and radar and radio masts. A marine radar is located in the main building of the museum, still in its original place. The exhibition also includes artillery shells, shell casings, helmets, caps and uniforms, communication gear, and civil defence equipment.