kj doughton of film threat rated the film 3 out of 5 stars, writing, "while not a perfect movie, "dagon" crams its wild, over-the-top concepts down our throats with so much conviction that we can't help but get swept along for the ride." scott tobias from "the a.v. club" gave the film a mostly positive review, commending the film's first half, which he felt "came alive" through its suggestive gothic ambiance. and "well-placed jolts of violence". however, tobias criticized the film's third act, which he felt downplayed the film's "distinctive flavor to ritualized nudity and gore". ain't it cool news gave the film a positive review, praising the film's atmosphere, tone, setting, and darker themes when compared to other adaptions of the author's works. "horrornews.net" criticized the film's low-budget special effects, and occasionally "hammy" acting. however, the reviewer concluded by stating, ""dagon" comes across with a low budget, but it has a big heart and kind of a big bite to go with it." nick hartel from dvd talk praised the film, calling it director gordon's all-time best work, and the best lovecraft adaption.