An implantable device for penile construction can comprise an anchor plate and at least one attachment member. The anchor plate can be configured to engage with a first portion of a pelvic bone of a patient. The anchor plate can comprise a prosthesis attachment interface configured to be coupled to a penile prosthesis, and at least one attachment member configured to attach to the anchor plate. The at least one attachment member can be configured to engage with a second portion of the pelvic bone of the patient. The engagement of the anchor plate with the first portion of the pelvic bone and the engagement of the attachment member with the second portion of the pelvic bone can couple the pelvic bone between the anchor plate and the at least one attachment member.