The Chapel of Santísima Virgen de Luján or the Chapel of the Blessed Virgin of Luján is a Roman Catholic chapel located at the Argentine base Marambio on Seymour-Marambio Island in Antarctica. It is the third most southern place of worship of any religion. It is one of eight churches on Antarctica. The permanent steel-structured chapel is used for Christian worship by the various Argentine personnel on station. The chapel features a bell tower and cross.