Dean's Blue Hole
Long IslandBahamas
- With a code
#GGG33-W8276- Said aloud
- Dean's Blue Hole
W8276
What the code says
The Grid Point Code for Dean's Blue Hole is #GGG33-W8276. It names a cell 2.56 m north to south and 3.15 m east to west, centred on 23°06'23.00"N, 75°00'30.99"W, and it turns back into that cell on any phone or computer by arithmetic alone: no network, no account, no lookup table.
- What it is
- World's deepest known blue hole
- Code
#GGG33-W8276- With a check character
#GGG33-W8276*7- Short form
W8276- Cell centre
- 23.106390, -75.008609
- Cell size
- 2.56 m by 3.15 m
- Region
- Long Island
- Country
- Bahamas
How to give this address
- On a sign, a form or a delivery note
The whole code,
#GGG33-W8276. It needs nothing else: no city, no street, no network to read it back.- Said aloud, in Long Island
Dean's Blue Hole W8276: a name both people know, then the last five characters. They give back the exact code for anywhere within 4.0 km north or south and 4.9 km east or west of Dean's Blue Hole. Further away the same five name somewhere else, which is why the whole code is what goes on a sign.
- Copied by hand, or read over a phone
#GGG33-W8276*7. The character on the end catches any single mistyped symbol and any two neighbours swapped.- As a link or a square code
Open it on the map, move to the exact door, and add directions if the code needs help: "blue gate, second floor". The link and the square code carry them. Nothing is kept on this site.
From the city to the door
The first four characters name a cell about 40 km by 49.1 km here. Each one after that picks one of 25 inside the last, so the whole ten name a spot about the size of a doorway.
- GGG3Metropolitan area40 km by 49.1 km
- GGG33District8 km by 9.83 km
- GGG33WSuburb1.6 km by 1.97 km
- GGG33W8A few streets320 m by 393 m
- GGG33W82Building64 m by 78.6 m
- GGG33W827Entrance12.8 m by 15.7 m
- GGG33W8276Doorway2.56 m by 3.15 m