Japan's Underwater Postbox: A World Record Holder

Discover the world's deepest postbox, 10 meters underwater in Susami Bay, Japan, where you can send waterproof mail.

Transcript

00:00The world's deepest postbox is located in Susami Bay, Japan, and lies 10 meters underwater.

00:11Established in 1999, this unique mailbox promotes Wakayama Prefecture's ancient Kumano Kodo

00:18pilgrimage trail.

00:19Approximately 1,000 to 1,500 pieces of mail are posted annually, mainly waterproof cards

00:27written with oil-based markers.

00:29A local dive shop employee collects the mail, delivering it to recipients within a week.

00:35To combat seawater corrosion, two boxes are alternately used every six months.

00:42This remarkable underwater postbox holds a Guinness World Record for being the deepest.