Sin Island is a 2018 Philippine neo noir erotic thriller film directed by Gino M. Santos, and starring Xian Lim, Coleen Garcia and Nathalie Hart.

[1] David (Xian Lim), a photographer, has been married to his flight attendant wife Kanika (Coleen Garcia) for two years, and they live an intimate life as a couple.

[2] At the beach, David sees a tattooed woman named Tasha (Nathalie Hart), a fashion designer who is practicing her yoga, and the two begin an affair.

Meanwhile, Kanika decides to repair her relationship with David, but finds herself in conflict with Tasha, who has eventually become his mistress.

"[5] Writing for Rappler, Oggs Cruz called Sin Island "very watchable" despite its flaws concerning the "tame" sex scenes as well as the "blatant illogic," incoherent plot.