William Lawrence Sr Omnibit 7-15-16 A postbox in Susami Bay, Japan is 30 feet underwater. Vacationing scuba diving use it. William Lawrence Sr Omnibit 7-15-16 Share this:PrintFacebookTwitterTelegramMeWeWhatsAppPinterestLinkedInParlerGabRedditEmailMorePocketTumblrLike this:Like Loading... Related