Most participants in an underwater clean-up simultaneously (multiple venues)

Most participants in an underwater clean-up simultaneously (multiple venues) is 307 and was achieved by Sustainable Future Initiative (UAE) in Abu Dhabi, United Arab Emirates, on 8 November 2025.

Through this effort, SFI seeks to raise powerful awareness about ocean sustainability and the critical issue of non-biodegradable waste in our coastal waters. As a social enterprise committed to environmental stewardship, SFI has long worked with schools and youth programs to educate the next generation about protecting marine ecosystems.