DAIVIN!

DAIVIN! is a Y Combinator-backed company that tankless Dive Gear - Breath Autonomy at Sea, Land & Space. The company participated in the Winter 2026 batch of Y Combinator.

DAIVIN! builds tankless dive gear that unlocks breath autonomy in extreme environments. Starting from underwater environment our mission is to remove the need for dangerous, heavy and bulky oxygen tanks in space, air and on land and replace them with water!

DAIVIN! was part of Y Combinator's Winter 2026 cohort, has a team of approximately 1 employees, and is actively operating.