Marine Mailboxes Of The World


Since 1944 mailboxes have been set up in unusual places. Underwater boxes are some of the intriguing and curious places the mailboxes are set up. To get to these mailboxes, you need to know how to dive deep and use waterproof paper and ink to create your message.

Below, we look at a few underwater boxes that you will need scuba gear to access to send your postcard.

Susami Bay, Japan


A mailbox installed 33 feet underwater. It was officially declared as the deepest underwater mailbox but has recently been overtaken by another.

Toshihiko Matsumoto, the postmaster in 1999, approved the creation of the mailbox as a means of promoting the Kumano Kodo pilgrimage.

To create revenue for the small fishing town of 5,000 villagers, the town’s dive shop, stocks waterproof postcards and oil-based paint marker to create the message they want to send.

The mailbox has become a popular hit with the community and tourists as it receives 1000-1,500 pieces of mail annually. Since it’s inception, the mailbox has received over 32,000 pieces of mail.

The only setback to this innovation is the constant change of the mailbox. Due to the seawater’s corrosive nature, the post office changes the boxes twice every year.

Risor, Norway


The Nordic region is known as one of chilliest places on earth, and it is also loved by tourists who withstand minus temperatures to watch the aurora borealis (Northern Lights).

However, in a little town known as Risor in Norway has come up with a genuine way to attract tourists by creating an underwater mailbox.

More than just being a drop-off and pickup center for mail, it’s the world’s dry underwater fully functioning post office.

The post office was constructed from a diving bell hence the reason why it remains dry although being underwater.

The post office sits at 13 feet deep underwater against a pier. The post office operates only in the summer when the weather is relatively warm and the tourist season is high.

Hideaway Island, Vanuatu


The island with a mailbox sitting pretty on top of a live volcano also features a mailbox 3 meters deep underwater. The mailbox is accessible to snorkelers and divers who are willing to send postcards.

For those that can’t dive that far, Hideaway post office staff are on standby to post the postcard in the mailbox on their behalf.

The Vanuatu island officials set up the mailbox 3 meters deep so that tourists can dive and see the beautiful pieces of coral sitting beneath Vanuatu Island.

Pulau Layang-Layang, Malaysia


Although not officially recorded, it’s the deepest underwater mailbox today sitting at 131 feet.

The Pulau Layang-Layang officials went a step further to include a special postmark and a Malaysia Book of Records logo stamp making the waterproof postcard a collectible item.

The above mailboxes are a marvel in the world we live in, and they go a long way to show that humans are capable of finding more ways to communicate if they’re tired of the usual norm.

Next time you go on a beach holiday perhaps inquire before you leave as these are not the only underwater mailboxes in the world. And if there is one remember don’t send your mail digitally, try sending it through the underwater channel and surprise the receiver.