Four teenage boys have their lives changed forever when they discover that they become mermen whenever they get wet. Now they must rely on each other as they try to live normal lives. Who can they trust, and how hard can it be to keep such a big and fishy secret? (Natant: swimming or floating.) My four favorite fandoms in a world based off "H2O: Just Add Water."

Recently in Central City, a particle accelerator exploded, unleashing a wave of dark matter and unlocking powers in certain people. The Flash races to contain the new criminals cropping up. For years I've been living in the city, hiding my powers and my true self from my friends. But how can I continue to hide when I've got the power to do something, to help?

After the Titan War, the gods gift the 7 a trip to the "safest" country they know, but that won't last long. Will not be updated further

The ninja decide to go on a 2-week camping trip on an island off the coast of Australia called mako. Everythings is fun and games till Jay falls down a hole while exploring the island with 3 of his other brothers. Chaos ensues. (this is a one-shot but if I get a request ill make another chapter/ slight au/ OC/no ships except jaya/Ninjago H2O crossover/ mermaid/mermen/cryptor morro)

Luna Taylor has spent her whole life in private, moving around to protect herself and her family. Now forced to leave her friends in Australia, Luna and her mom must move to the rainiest place in America: Forks, Washington. There, Luna attracts the attention of the Cullen family and her secret is at risk, Luna cant help but wonder. Who are the Cullens? What is her link to Forks?

Okay this story is different from my other one, I had a story request for a h20 just add water story crossover with power rangers with a OC character instead of Mia. here is a little bit , i am still working on it

Twelve-year-old Harry Potter is saved by Magic and gifted with the ability to be a merman. With his world turned upside down with this new ability and its corresponding powers, Harry's survival instincts kick in as he realises he can no longer continue fitting in if he were to guard his new secret from those willing to exploit him. !IndependentHarry !GreyHarry !Non-canon-compliant

With the threat of Mesogog over and having graduated from high school, Kaitlyn believed her time as a Power Ranger was finished and her life would finally settle. Yet when she and Nick offer their aid to an old man, Kaitlyn finds that what she thought she knew about herself will be forever changed as she's thrown back into the world of morphers and Megazords.

New Orleans, Louisiana is the next stop to Lewis and Cleo's as of yet fruitless global search for other magical creatures. When she's mistaken for someone else, the door to what they've been searching for may finally be open. Under the Sea Take Two. Crossposted to AO3.

In a few hours, the full moon is set to rise. Rikki really shouldn't be swimming about. And then she sees the boy with skin like diamond.

Campbell Campers, Max, Nikki, and Neil find an island after trying to escape. They’re in for some magical surprises

After saving the world from Comet Eva, a piece of the comet has landed in Africa. the gang journeys to Africa to look for the piece of the comet, there they meet the pride landers and discover a new moonpool.

After an incident with a glowing jewel pendant, Harry finds himself in the H20 universe with some new powers. A year later, the moon has done it magic and left three new mermaids in the clear ocean of Australia. After Harry discovers the three new mermaids, he becomes a mentor to the three girls. With a powerful wizard/merman as their mentor, what could possibly go wrong? OOC Harry

When Kaitlyn moves to Reefside to finish her senior year of high school, she, along with three fellow students discover powerful gems and become the Dino Thunder Power Rangers. But being a Ranger isn't the only secret Kaitlyn's hiding. She'll not only have to learn how to trust her team with her secrets, but also discover someone just like her. Characters updated.

at 7 year old Hermione Granger became a mermaid

A check on the security cameras at the Marine Park reveals more than Dr Ross was expecting and he finds himself in a situation or two he never expected to be in...

In the year 2095, the space environments known as Colonies sent 5 mobile suits known as Gundams to achieve full independence from OZ and the Romefeller Foundation, Earth's main figureheads. Despite its huge military power and influence over the planet, the organization couldn't seem to control one particular island located near the coast of Queensland, Australia.

Based on "The Many Dates of Danny Fenton" by Flower princess11. After all his adventures and romance in the dating service, Danny has chosen Cleo, the mermaid from Australia. Can their feelings reach across the seas? And what other adventures will the two share beneath the waves and beyond...?

A new chapter of Emma Gilbert's life as Zeo Ranger I Pink. How she tries to keep her life balanced with being a working high-school Senior, keeping her mermaid secret from her high-school peers, and being a Power Ranger tasked with protecting Angel Grove. And to top it all off, realizing she has deeper feelings for her best friend/Ranger team leader, Tommy Oliver.

Cleo Sertori, Emma Gilbert and Rikki Chadwick are mermaids. Their lives were good until Emma Gilbert came home, panicking, saying she had to leave. Cleo and Rikki searched for Emma but did not find her. That started the adventure of Cleo Sertori becoming Hayley Marshall, ending up in New Orleans pregnant with the Original Hybrid's baby when all she wanted to do was find her sister.

Azula, after fleeing into the forest of Forgetful Valley, is tracked by Fire Nation soldiers and trapped on a mysterious island. After one fateful night, Azula now has to cope with her newfound abilities while trying to keep her secret hidden from the world. (Azula Mermaid AU) [WARNING: Unfinished and permanently on hiatus]

The 4 leaders were somehow transported to the H20 universe as humans. Now they're back with their clans, and everything would be fine if they didn't turn into half-fish half-cat hybrids whenever they touch water. Multiple ending fic and cross posted on A03

After the Giant War ended, Percy Jackson, Annabeth Chase, Jason Grace, and Piper McLean decide they need a vacation. They needed a break from all the monsters, so they decide to go to Australia, the only place the gods have never been in power. During their time there, they meet some interesting girls that might just introduce a whole new problem to their hero to-do list.

Cleo and Lewis have been travelling all over the world in search of other magical beings like herself, but to no avail. But, once they visit New Orleans where there is a reputation of the supernatural, will they run into the thousand year-old vampire family? What will be said about the uncanny similarities between Hayley and Cleo?

Cleo, Rikki and Bella are fine after graduation, but when a new girl comes to town, she reveals she knows their secret and has met their friend Emma. The truth is that Emma is in danger and they must travel into the darkest part of the sea only mermaids know, the Abyss. Can they save Emma before it's too late?