Susami Underwater Postbox
Dive site in Susami Bay, Japan
A working postbox 10 m down in Susami Bay, officially part of the Susami post office; divers post special waterproof plastic postcards.
- Usual dive
- 10 m
- Deepest point
- 10 m
- Level
- Open Water
- Season
- All year
The story
Susami's underwater post box, at 10 metres, held the Guinness World Record as the deepest in the world. Divers post water-resistant messages in it, up to 200 pieces of mail a day at the busiest times.
Source: en.wikipedia.org
The dive
A dive.
Who it's for
Recommended minimum: Open Water (PADI Open Water, CMAS/FFESSM N1).
Conditions
- Environment
- Open water
- Water
- Sea water
Why divers come
- Underwater curiosity
Season in Susami Bay
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
- Best
- Good
- Possible
- Closed
- Not documented yet
Diveable all year.
Source: asoview.comWhere is Susami Bay?
The point shows the Susami Bay area, not the exact dive site.
About this page
Values marked “Estimated” come from our original catalogue and are being checked against published sources one by one. Sourced values link to where they come from. Conditions change with the season, the weather and the tide: confirm with a local dive centre before you dive.