Anime Like Nadia: The Secret of Blue Water
If you loved Nadia: The Secret of Blue Water's Animation and Action & Adventure storytelling, these anime deliver a similar experience — selected for art style, narrative depth, and emotional impact. Each includes where to stream it now.
★ Top Picks

Arpeggio of Blue Steel: Ars Nova
By 2039, global warming had caused sea levels to rise and large amount of territory to be lost. As though in response, a mysterious group of warships clad in mist, “the Fleet of Mist,” appeared in every corner of the ocean, and began attacking human ships. In spite of humanity mustering all their strength, they were utterly defeated by the Mist's overwhelming force. All of humanity's trade routes were blockaded by the Fleet of Mist, their political economy was destroyed, and the human race was steadily beaten down. Seven years later, the Fleet of Mist's submarine I-401 appears before cadet Gunzo Chihaya. The humanoid life form that pilots the sub, who should be their enemy, is instead offering her services to mankind.

Future Boy Conan
After the great disaster of 2008, a war that destroyed the planet, the world is now largely ocean with the continents having sunk. Conan lives on a remote island with his grandpa and nature, never having seen another human being. But one day a mysterious girl, Lana, washes up on his beach. The two become quick friends, but she’s soon kidnapped and taken to Industria, a technological remainder from the world before. Conan leaves his island in pursuit, braving new lands and many hardships with new friends and enemies just beyond the horizon.

Space Pirate Captain Harlock
When a mysterious invader from the stars catches Earth unawares, only the legendary space pirate Captain Harlock and the crew of the Arcadia have the will to stand against them.

Gachiakuta
Accused of murder and thrown into the Pit, a young orphan joins a group of monster fighters with special powers to uncover the truth and seek vengeance.

Fate/Apocrypha
There was once a Holy Grail War waged by Mages and Heroic Spirits in a town of Fuyuki. However, one Mage took advantage of the chaos of World War II to steal a Holy Grail. Several decades have passed, and the Yggdmillennia family, who took upon the Holy Grail as its symbol, defected from the Mages' Association. Furious, the Association sent forces to deal with the Yggdmillennia, but were defeated. With the Holy Grail system changed, war at an unprecedented scale breaks out.

Blue Submarine No. 6
The once famous and well respected scientist Zorndyke has bred a new genre of living being, one that thrives on the oceans and lives to destroy humans. Zorndyke believes it is time that the humans were relieved of their rule of the earth. It is up to Blue Submarine No. 6 and the rest of the Blue fleet to put an end to Zorndyke's madness and creations.

Slayers
Follows the exploits of the young sorceress Lina Inverse, whose life revolves around food, treasure, and fighting. After stealing treasure from a group of bandits, Lina is accosted by stragglers during her journey to the next town. She's not in any real danger, but a dim-witted but good-natured swordsman named Gourry Gabriev springs to her rescue anyways. The two team up, and head to Atlas City, fighting foes they encounter on the way. Unbeknownst to them, two mysterious figures are hot on their tail, and they are especially interested in the “treasure” Lina and Gourry have stolen.

The Heroic Legend of Arslan
Arslan is the heir apparent of Pars, a strong nation that sits at the hear of the trade route connecting the East and the West. When the pagan nation of Lusitania begins an invasion of Pars, the timid Arslan is confronted with battle for the first time. His worst anxieties are realized the Parsian army falls for a Lusitanian stratagem and are routed. He barely escapes with his life, thanks to the loyal and indomitable warrior Daryun. Together they will stand against the invasion and the cruelties of fate that are about to blow down on Pars.
More Anime Like Nadia: The Secret of Blue Water

Scrapped Princess
Pacifica Casull is the most feared and hated person by the followers of the God Mauser. Known as the Scrapped Princess, she is the poison that will destroy the world. To avoid being killed by the zealots of Mauser, Pacifica and her adoptive brother and sister leave the village of Manhurin. Her brother, Shannon, is an expert with the sword while Racquel is proficient with magic. At every step of the way, however, someone is constantly trying to kill Pacifica, hoping to somehow avert the catastrophe that is supposed to befall the world on her 16th birthday.

Birdy the Mighty: Decode
While pursuing fugitives the Space Federation police officer Birdy Cephon Altera finds herself on Earth.

Fena: Pirate Princess
Fena Houtman remembers little about her childhood. Orphaned and raised as a servant in a brothel, her life changes when she escapes to an island of pirates where she discovers the truth behind her family. With Fena being the only one able to unlock her family’s secrets, and a formidable crew of female pirates on her tail, she must take her place as captain of her Samurai crew for a high seas adventure!

Octonauts
Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the Octopod, from where they go on undersea adventures with the help of a fleet of aquatic vehicles.

The Seven Deadly Sins: Four Knights of the Apocalypse
As a prophecy of doom unfolds on the peaceful land of Britannia, a purehearted boy sets out on a journey of discovery — and revenge.

Rise of the Teenage Mutant Ninja Turtles
Rise up! The Teenage Mutant Ninja Turtles get an all-new look, new weapons, and awesome new powers! Join the legendary heroes, Raph, Leo, Donnie and Mikey as these brothers discover a Hidden City beneath New York, learn amazing mystic ninja skills, battle absurd mutants… and always find time for a slice of their favorite pizza! Cowabunga!

Monster Farm
Genki is a boy who loves playing the Monster Rancher games and one day he's somehow transported into the world of the video game where he meets the girl Holly and the monsters Mochi, Suezo, Golem, Tiger and Hare. Together, they are searching for a way to revive the Phoenix, which is the only monster capable of stopping the evil Moo.

BASTARD‼ -Heavy Metal, Dark Fantasy-
When evil forces threaten to resurrect Anthrasax, the God of Destruction, the Kingdom of Meta-llicana calls on a volatile dark wizard for help.

Japan Sinks: 2020
After catastrophic earthquakes devastate Japan, one family's resolve is tested on a journey of survival through the sinking archipelago.

Tatsuki Fujimoto 17-26
Six studios and seven directors adapt the early works of Tatsuki Fujimoto, the mastermind behind "Chainsaw Man," into an anime anthology. Each episode is an anime adaptation of a short story he drew from ages seventeen to twenty-six, including the first manga he ever submitted for competition. Watch as vivid tales of young love, chaos, madness, and the bonds between people unfold in each episode.

Galaxy Express 999
In a distant future, Tetsuro is a human boy who wants his body replaced with a robotic one. This is possible, but to do so he has to reach the Immortal Planet onboard the space train Galaxy Express 999. Maetel, a beautiful and mysterious blonde woman dressed in Russian style, joins him in the long journey through space. Every episode sees our heroes arriving in a new planet's space train station.
Why These Anime Are Similar
These recommendations share core qualities with Nadia: The Secret of Blue Water (1990): Animation and Action & Adventure themes, comparable animation style, and similar narrative pacing. NoBadPicks uses TMDB collaborative filtering, genre matching, and AI analysis to surface anime most likely to resonate with fans of Nadia: The Secret of Blue Water.
See full details for Nadia: The Secret of Blue Water (1990)