Marea alta is a Mexican thriller streaming television series created by Katia Priwieziencew, Korek Bojanowski, and Antón Goenechea, and is produced by El Estudio.

[1] The series follows the disappearance of a teenager and the alterations on everyone's lives after threatening messages from her social media accounts disturbs their quiet community.

[2] On 16 February 2022, the series was announced as one of the titles for TelevisaUnivision's streaming platform Vix+.

[3] Filming of the series began on 29 March 2022 in Tijuana and on the beaches of Ensenada, Baja California.

[4][5] On 31 August 2022, Vix released the first official trailer for the series.