1890: Due to the city's program of street repair and improvements, the Bastion had to be moved to accommodate the widening of the streets. It was moved to the northeast corner of Front and Bastion Streets, diagonally across from the original site (Gerald R. Boucher. A History of the Nanaimo Bastion and Its Keepers. p. 3). #E_00521British Columbia Archives 1900-1910: Interior: The jail cells on the first floor were removed and transformed into a "pleasant meeting place" for the Native Sons.

The first level was used as a social lounge, while the second and third floors were used as formal meeting rooms. Sometime during these years, panelling was added to the second and third floors, primarily for aesthetic and insulation purposes (Gerald R. Boucher. A History of the Nanaimo Bastion and Its Keepers. p. 16).

1910-1928: Interior: Structural changes with additions were done. Another layer of wall board was added to the second and third floors (Gerald R. Boucher. A History of the Nanaimo Bastion and Its Keepers. p. 19).

1928-1974: Exterior: In the late 1940's the Native Sons added driftwood stairs and a flag staff in the second floor doorway. In addition, the rope pulls from the second floor were removed. Interior: The third floor gun ports were covered and museum displays were put in. A fourth layer of panelling was also put on the third floor (Gerald R. Boucher.A History of the Nanaimo Bastion and Its Keepers. p. 20).

1974: In conjunction to the city's Bastion Square Project, the Bastion was moved to its current site (Gerald R. Boucher. A History of the Nanaimo Bastion and Its Keepers. p. 3).

1975-1985: Exterior: A 5' 3" upgraded foundation, that was secured deep into the soil bedrock was added. The driftwood stairs were replaced with a solid straight-on staircase. And efforts were made to modernize the electrical and water systems (Gerald R. Boucher. A History of the Nanaimo Bastion and Its Keepers. p. 22).

1985: An engineering report issued that the Bastion was structurally unsound. It was closed; renovations and upgrading took place (Gerald R. Boucher. A History of the Nanaimo Bastion and Its Keepers. p. 3).

1986: Renovations complete, opened for business.