On the review aggregator website Rotten Tomatoes, 84% of 61 critics' reviews are positive, with an average rating of 7.5/10.[6] The site's critical consensus reads, "A compelling documentary that can feel like a thriller, The Deepest Breath couples real-life tragedy with stunning footage of the ocean's depths." Metacritic, which uses a weighted average, assigned the film a score of 69 out of 100, based on 18 critics, indicating "generally favorable" reviews.[7]