Secret Storage Under Lift-Up Bed | StashVault - Secret Stash Compartments
Hidden Stash Space in Bed Frame

Secret Storage Under Bed

This bed frame from IKEA allows the mattress to pivot up and reveal a secret storage area underneath. It makes good use of wasted space, but this concept could be used to custom build a much stronger secure area below your bed. Or I guess you could just get a Bed Bunker.