This article is wrong and only admit to it in a buried editor's note at the very end. The current record is actually 29:03 set by another Croatian, Vitomir Maričić, on June 14, 2025.

https://divernet.com/scuba-news/freediving/how-croatian-free...

A man, there's also Aleix Segura (24m3s) (83 points, 2017, 45 comments) https://news.ycombinator.com/item?id=17767625