Underwater panic is a hard thing to capture honestly. Above the surface you get the gasping breath and the splash; below it everything muffles into low-frequency thuds and bubble streams. A convincing drowning scene almost always crossfades between those two acoustic worlds, and the cut between them is what sells the danger. Mix a surface struggle too long and the tension dissipates; cut underwater too early and the audience loses the character.
You'll find 15 clips here that cover both sides of the waterline — panicked surface splashes, choked inhales, submerged bubble exhales, and the slow muted thrashing that reads as a body losing strength. Useful for thriller scenes, lifeguard training reels, horror game audio, or any moment where someone goes under. Everything is free, downloads as MP3 or WAV, and there's no licence to chase before you drop it on the timeline.