
#1
H2o and Percy Jacksonby elizabeth olalye
I asked ai to make me a Percy Jackson and H2o crossover and it actually turned out really good. Some characters may be OOC though.
**All credits to the creators of H2o a...
Completed

#2
H2O: Just Add The Originals (Book...by Theo/Reggie
What would happen if Emma Gilbert and Cleo Sertori from H2O: Just Add Water were Rebekah Mikaelson and Hayley Marshall in The Originals?
Takes place after H2O and after...
Completed

#3
MAKO MERMAID ☆ H2O: JUST ADD WATERby 𝒚𝒂z𝒎𝒊𝒏
Sage was no ordinary girl. She wasn't from this land, she was more the sea type of girl. She had no business on land, that was until three land girls become part of the...
Completed

#4
Waves - H2O Just Add Waterby Crystal.heart2468
Artemis Jackson thought that moving to Australia couldn't get any worse...but adding a tail to the mix.
That's a whole new level
Season 1- writing ✍️
Season 2-
Season...

#5
Mako Mermaids: New Sea's || OC x Z...by Sound.0f.the.s3a
Mariana has always felt a deep connection to the sea, and she used to share this connection with her mother. After her mother passed however, her father made her pack up...

#6
Just add Water:A Tail Of True Loveby Justaddwater575
When Emma, Rikki and Bella are enemies with Cleo they make sure they screw up her life.
Will anybody find out Cleo's secret?
Will anybody find out about her past?
Will a...
Completed

#7
Another Mermaid in the sea ¦¦H20 j...by freedom_shipp
I will continue soon :) (written: January the 4th)
Y/n is a girl from Hawaii long blonde hair very beautiful everyones dream girl but she has a big secret no one is allo...

#8
H20 Just add water Charlottes POVby Kitty
We all remember Charlotte being the villain in H20 season 2 but would we feel differently if we got to see her POV on everything that happened? Was Charlotte really the...

#9
Back to the pastby Cleosertori567
Cleo, Rikki and Bella are now in college!
Emma is still traveling the world and is currently in New Zealand.
But what happens when a Light flashes right in front of them...

#10
Reina of the seaby Yana
》continuation of Reina of the Moon《
For 2 months, I thought I was the only one in existence. But now it has been almost a month since I've escaped to Australia and met o...

#11
Underwaterby Ev3rgreen
When Lance was eight, he fell into the moon pool. After years of learning how to deal with it, he's given a new challenge. Now he's given a choice between telling his...

#12
Stupid Cupid ── H2O: Just Add Waterby 𝐉 (hiatus)
maybe we've lived a thousand lives before this one and in each of them, we've found each other.
( h2o: just add water s1-s3 )
( f!oc x m!oc )

#13
My Island Girl {Carlisle C. Love S...by LaChelle
What if Charlie Swan had another daughter. Her name is Aria Faith Swan- Setori. Her younger half sister Bella, invites her and the Setori family to her wedding. What she...

#14
A Twist in the Tail - An H2O Fanficby TheSwagger101
A new love is up for Rikki, and Emma comes back from her vacation. Bella and Emma meet, but they...well...don't exactly see eye to eye. Life after high school, they appl...

#15
Mako mermaids: After the series 2by Mabel Potter
PLEASE READ THE FIRST ONE BEFORE THIS ONE!!!
After the group's defeat on Erik, the team takes a break to settle down before the full moon. But the girls are fallen into...
Completed

#16
H2O: Just Add Water - New Tailsby Juanma Rios
After several years since the end of Mako's Mermaids the four original H2O mermaids return to Gold Coast to start from scratch, after several years their relationship ha...

#17
My Hero Academia: Just Add Waterby Writer Girl
(My Hero Academia and H20: Just Add Water Crossover) Arisu Yagi and her friends find themselves on Mako Island on the night of a full moon. Something magical happens to...

#18
Winx: Just Add Water sequelby IamMushu
The Winx are back for another adventure of surviving through life as mermaids. This time their lives take a turn when a new girl arrives. Friendship will be tested and t...
Completed

#19
» H2o: The Next Generation «by mermaid jo
As you "H2O: Just Add Water" Fans know, Rikki, Cleo, and Emma were the last generation of three that become mermaids at Mako Island. Well now there just so hap...

#20
Dancing Watersby Casey
When high school sophomores, Phoebe and Claire, want to go out to sea for a fun adventure on the first day of school, they accidentally release a curse upon themselves t...