It was established by the White Army for the Red Guard fighters taken prisoner after the Battle of Helsinki.

[1] Suomenlinna camp was divided into six districts located at the islands of Pikku-Musta (I), Länsi-Musta (II), Iso Mustasaari (III, V) and Susisaari (IV, VI).

[1] In August, a seventh district was formed of the female Reds who were transported from the Santahamina camp.

[1] Notable prisoners include Toivo Aronen, Ivar Lassy, Fiina Pietikäinen, Taavi Tainio and Sulo Wuolijoki.

[4] A memorial erected in 1949 by the sculptor Uuno F. Inkinen stands on the Santahamina mass grave.