Skip to content

Featured Popular Top Rated Upcoming Now Playing

Featured Popular Top Rated Airing Today On The Air

Action Adventure Animation Comedy Crime Documentary Drama Family Fantasy History Horror Music Mystery Romance Science Fiction TV Movie Thriller War

Search movies and TV series

Search movies and TV series

Featured Popular Top Rated Upcoming Now Playing

Featured Popular Top Rated Airing Today On The Air

Action Adventure Animation Comedy Crime Documentary Drama Family Fantasy History Horror Music Mystery Romance Science Fiction TV Movie Thriller War

Every movie and series, one place to find it.

Search movies and TV series

Loading content…

Discover where to watch movies and TV series online. Browse trending titles, streaming availability, ratings, trailers, cast and full episode guides — all in one place.

Movies

Featured
Popular
Top Rated
Upcoming
Now Playing

TV Series

Featured
Popular
Top Rated
Airing Today
On The Air

Discover

Trending
Free to Watch
Browse Genres
Search

© 2026 Watch Free Online Movies. All rights reserved.

This product uses the TMDB API but is not endorsed or certified by TMDB. Watch Free Online Movies does not host or stream any media — it links to where titles are legally available.

Loading title details…

Mermaids and Sea Robbers(1958)

October 21, 19581h 6m

NRNot yet rated

User Score

No votes yet

Overview

Rival bands of pirates try to get hold of a priceless treasure.

Director: Satoshi Taguchi
Writers: Shinichi Sekizawa, Tatsuo Asano

Top Billed Cast

Tatsuya Mihashi
Kenji
Yuriko Tashiro
Oei
Kyōko Izumi
Toki
Seizaburō Kawazu

More Like This

Recommendations based on this film

71%User score 71 percent

One Piece: The Movie

2000 · Action · Animation

67%User score 67 percent

The Black Pirate

1926 · Adventure · Drama

62%User score 62 percent

Swashbuckler

1976 · Adventure · Action

58%User score 58 percent

Into the Deep

2025 · Horror · Action

58%User score 58 percent

Cutthroat Island

1995 · Action · Adventure

67%User score 67 percent

Pirates of the Caribbean: Dead Men Tell No Tales

2017 · Adventure · Action

66%User score 66 percent

One Mile: Chapter Two

2026 · Action · Crime

70%User score 70 percent

One Piece: Dead End Adventure

2003 · Action · Animation

60%User score 60 percent

Stowaway

2022 · Action · Mystery

76%User score 76 percent

Gladiator Underground

2025 · Action

60%User score 60 percent

L.E.T.H.A.L. Ladies: Return to Savage Beach

1998 · Action · Thriller

72%User score 72 percent

One Piece Film: GOLD

2016 · Action · Animation

59%User score 59 percent

Into the Blue

2005 · Action · Thriller

78%User score 78 percent

One Piece: Stampede

2019 · Animation · Action

60%User score 60 percent

The Best Man

2023 · Action · Thriller

69%User score 69 percent

One Piece: Clockwork Island Adventure

2001 · Action · Animation

59%User score 59 percent

Best of the Best 4: Without Warning

1998 · Action · Adventure

62%User score 62 percent

The Marine 3: Homefront

2013 · Action

67%User score 67 percent

One Piece: Chopper's Kingdom on the Island of Strange Animals

2002 · Action · Animation

66%User score 66 percent

Play Dirty

2025 · Crime · Action

Mermaids and Sea Robbers (1958) | Watch Free Online Movies

Haruo Tanaka

Proprietor of the Miharashitei

Ryōhei Uchida

Entatsu Yokoyama

Matsudaira

Jun Tazaki

Chief of security

Hideo Hongo

Ashihei Hino

Choji Oka

Teruo Wakatsuki

Yuzo Tachikawa

Isao Ubukata

Shoichi Onjo

Where to Watch

No streaming options are listed for US right now. Availability changes often — check back soon.

Facts

Status: Released
Original title: 人魚昇天
Original language: Japanese
Production: Kabuki-za