Planning Dahab right now? Get a local plan with best areas, dives, food spots, and transfer options.
## Quick answer
This visual display suggests the mysteries that lie beneath the surface. The Great Blue Hole was once a limestone cave system that formed during previous ice ages when sea levels were significantly lower. The sinkhole we see today was formed as the caves flooded and finally collapsed as the ocean started to rise.
## More on this
- [Diving in Dahab](/diving/) — every dive centre, real prices
- [Best time to dive Dahab](/blog/best-time-to-dive-dahab/) — month-by-month
- [The Blue Hole — full guide](/blue-hole/)
## Other quick answers
Dahab offers mostly shore diving experiences … which is good news for those who suffer from seasickness! There is so much sea life to spot...
Day-to-Day: How Sharm and Dahab Really Differ
Life in Sharm El Sheikh feels like a bustling resort city, busy beaches, packed restaurants,...
The hole and the surrounding area have an abundance of coral and reef fish. The Blue Hole is popular for freediving because of the depth...
From £50.05
On average, this is booked 7 days in advance. 1 hour (approx.)
Sharm's shutdown came in November 2015, after a bomb brought down Metrojet flight 9268, killing 224 Russian tourists and crew. Within days,...
Frequently asked
What is the mystery of the Great Blue Hole?
This visual display suggests the mysteries that lie beneath the surface. The Great Blue Hole was once a limestone cave system that formed during previous ice ages when sea levels were significantly lower. The sinkhole we see today was formed as the caves flooded and finally collapsed as the ocean started to rise.