High Seas (2019)

A lavish 1940s murder mystery set at sea, where two sisters uncover deadly secrets aboard a luxury ocean liner sailing from Spain to Brazil.

High Seas - Series Information

  • Original Title: Alta mar
  • First Air Year: 2019
  • Last Air Year: 2020
  • Created by: Gema R. Neira, Ramón Campos
  • Type: TV Series
  • Genres: Crime, Drama
  • Content Rating (US): TV-MA
  • Episode Runtime: Average runtime per episode (50 minutes)
  • Number of Seasons: 3
  • Number of Episodes: 22
  • Status: Canceled
  • Original Language: Spanish
  • Spoken Languages: Spanish
  • First Air Date: May 24, 2019 (United States - TV-MA), May 24, 2019 (France - 16), May 24, 2019 (Brazil - 16), May 24, 2019 (South Korea - 19)
  • Networks: Netflix
  • Alternative Titles: High Seas (US), Alta Mar (FR), 海上谋杀案 (CN)
  • Production Companies: Bambú Producciones
  • Production Countries: Spain

High Seas - Plot

Two sisters discover disturbing family secrets after a string of mysterious deaths occur on a luxury ship traveling from Spain to Brazil in the 1940s.

High Seas - Trailer

Watch the official trailer and get a first look at the mystery that awaits aboard the ship:

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High Seas - Cast & Crew

Creator(s)

  • Gema R. Neira
  • Ramón Campos

Main Cast

  • Ivana Baquero
  • Alejandra Onieva
  • Jon Kortajarena
  • Begoña Vargas
  • Laura Prats
  • Eloy Azorín
  • Chiqui Fernández
  • Natalia Rodríguez
  • Diana Tobar
  • Brais Yanek

Writers

  • Curro Novallas
  • Daniel Martín Serrano
  • José Antonio Valverde
  • Ramón Campos
  • Gema R. Neira

Executive Producers

  • Ramón Campos
  • Teresa Fernández-Valdés
  • Carlos Sedes

High Seas - FAQs

What is the central mystery in High Seas?

At the heart of High Seas is a string of unexplained deaths aboard a glamorous 1940s ocean liner bound from Spain to Brazil. Sisters Eva and Carolina Villanueva find themselves drawn into a web of secrets, imposters, class tensions, and buried family lies that grow darker with every episode.

Is High Seas based on a true story?

High Seas is an original fictional creation by Gema R. Neira and Ramón Campos, not based on any specific true story or historical event. The 1940s setting and neo-noir atmosphere are crafted to evoke the period's intrigue and glamour, but the characters and murder mystery plot are entirely invented.

Where can you stream High Seas?

High Seas is available to stream on Netflix and Netflix Standard with Ads. As a Netflix original production, it's accessible in most regions where Netflix operates, making it easy to binge all three seasons of this Spanish-language murder mystery from wherever you are.

Who plays the two sisters in High Seas?

The Villanueva sisters are brought to life by Ivana Baquero as the resourceful Eva and Alejandra Onieva as the headstrong Carolina. Both actresses deliver compelling performances that anchor the series, with Baquero widely recognized from her earlier role in Guillermo del Toro's Pan's Labyrinth.

How many seasons and episodes does High Seas have?

High Seas ran for three seasons between 2019 and 2020. Season 1 and Season 2 each contain eight episodes, while the third and final season wraps up the story in six episodes, bringing the total to 22 episodes. Each episode runs approximately 50 minutes.

Why was High Seas cancelled after three seasons?

Netflix cancelled High Seas after its third season in 2020, though no official detailed explanation was provided. The show had built a dedicated international fanbase drawn to its period mystery atmosphere, but Netflix's renewal decisions typically reflect viewership data and strategic content priorities that are not publicly disclosed.

How was High Seas received by critics and audiences?

High Seas earned a warm reception from audiences who appreciated its lush 1940s production design, twisty plotting, and strong lead performances. Critics noted its binge-worthy pacing and stylish neo-noir aesthetic, though some felt the mystery elements occasionally leaned into melodrama. It became one of Netflix's notable Spanish-language international hits.

What shows are similar to High Seas?

If you enjoyed High Seas, consider The Sandhamn Murders for Scandinavian maritime mystery, The Name of the Rose for period-set crime intrigue, Perry Mason for neo-noir atmosphere, or The Sinner for psychological murder investigations. Vigil also offers a confined-setting thriller with a similar sense of claustrophobic suspense.

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