Most participants in an underwater clean-up in 24 hours (single venue)
Who
Ahmed Gabr
What
614 people
Where
Egypt (Hurghada)
When

The most participants in an underwater clean-up (single venue) is 614 and was achieved by Ahmed Gabr (Egypt) in Hurghada, Egypt, on 5 June 2015.

The record attempt took place at the marina of the Hilton Plaza Hotel in Hurghada, Egypt.