St.-Petri-Kirche, Lutheran church building in Cuxhaven, Germany

St.-Petri-Kirche is a single-nave neo-Gothic brick church built in 1911, with a recessed choir ending in a straight wall. A tall square tower with a clock and green roof rises on the right; the nave has tall pointed windows with dark tracery. The church, hall, parsonage and sexton's house form one ensemble.

Built in 1911 to plans by Marine-Garnisons-Bauinspektor Stock, influenced by Kaiser Wilhelm II, the church was consecrated the same year as a garrison church for navy soldiers and their families. It gave the Evangelical Lutheran congregation of Alt-Cuxhaven guest rights, became the parish church in 1948, and was named St. Petri in 1950. Renovations in the 1960s reshaped the chancel.

The church keeps two separate memorials: a chapel for seafarers lost at sea, set up in 1993, and a memorial for fallen soldiers of the German Navy, added in 2002. The congregation also runs a kindergarten and groups such as the Concerto Vocale choir and a literature circle.

The church sits near Grimmershörn Bay and Cuxhaven's dikes, making it easy to find and explore. The complex has direct access to the surrounding area, and visitors can see the parsonage and sexton house nearby.

The church houses an organ installed in the 1990s that blends French and German Romantic organ design traditions. The instrument has 49 registers controlled through three manuals and pedal.