In the list of cultural monuments in Lütjenburg , all cultural monuments of the Schleswig-Holstein city of Lütjenburg (Plön district) are listed (status: 2017).
Bismarck Tower; 1898, 1930; Arch. Hugo Grootoff; 18.5 m high observation tower with a brick facade in a purely historical design, slate-covered tent and conical roofs on different levels, cantilevered viewing platform on the first floor, surrounding flat roof extensions from 1930 in brick
Residential building; around 1900–1910; Single-storey plastered building with a mansard hipped roof, picturesque decorative elements in brick and half-timbered, front side with round bay window and dwarf house, interior furnishings from the period of construction
Until the new version of the Schleswig-Holstein Monument Protection Act came into force on January 30, 2015, the following objects in the city of Lütjenburg were protected as cultural monuments in accordance with Section 1 of the old Monument Protection Act (DSchG SH 1996):