A modular overhead privacy system for a mobile platform, in one form, includes a plurality of independent privacy modules located longitudinally spaced apart, above a passenger cabin, in an overhead crown area of the mobile platform. The system additionally includes a plurality of private access stairways providing access to the privacy modules from the passenger cabin. Each private module is accessible by an independent one of the private access stairways. Each privacy module includes at least one berth that provides a passenger or crew member a private reposing space separate from the passenger cabin. In one embodiment the privacy modules are longitudinally spaced apart in accordance with a seat pitch of a plurality of rows of seats in the passenger cabin. In another embodiment the seats are positioned adjacent one another behind a stairway leading the overhead privacy module. The system can be employed in either a passenger cabin area or a crew member area of a mobile platform.