Nanatsu no Umi no Tico

Alt title: Tico and Friends

If you're looking for anime similar to Nanatsu no Umi no Tico, you might like these titles.

Sango Shou Densetsu: Aoi Umi no Elfie

Sango Shou Densetsu: Aoi Umi no Elfie

In the future, the oceans have risen to flood all the continents due to humanity's negligence of the environment. Only a few bits of land have been spared, and one of those is the city-island where Elfie lives with her grandfather. One day, due to an underwater incident, she discovers that she can breathe underwater. Her grandfather reveals that in truth she is one of the mythical sea-people. Using the cityfolk's xenophobia, local politicans spark a war with this hidden people to distract people from their current resource problems, and Elfie is caught in the middle of it.

I agree

Watashitachi no Mirai

Watashitachi no Mirai

I agree

Chikyuu to no Yakusoku

Chikyuu to no Yakusoku

I agree

Nadia: Secret Of Blue Water

Nadia: Secret Of Blue Water

Fourteen-year-old Jean was just an ordinary would-be inventor, until the mysterious Nadia crashed into his life. With no family, a pet lion and a jewel known as the Blue Water, Nadia is constantly on the run from those who want to steal her most valuable gem. Now, with a trio of thieves and the nefarious organization known as Gargoyle on their trail, Jean and Nadia must struggle to learn the secret of the Blue Water and protect its powers from those who would use them to destroy the world!

I agree

Youkoso! Ecolo Shima

Youkoso! Ecolo Shima

I agree

Doraemon: Nobita and the Green Giant Legend

Doraemon: Nobita and the Green Giant Legend

Nobita finds a small plant still in a container at an abandoned area and decides to take it home. His mother asks him not to put it on their garden because it won't have space to properly grow. Therefore he asks Doraemon for help. The robot cat then uses a special plant converter from the future that will allow the plant to move freely without the need to form roots attached to the ground. Named "Kibou" (Hope), the small green creature gleefully plays with Nobita and his friends. The group is taken by surprise when they are suddenly transported to another planet governed by a society of plant beings. Doraemon and his friends then discover that due to mankind's mistreatment of nature, the green population is planning to remove all plants from Earth. They must now return home and find a way to save the world.

I agree

Coluboccoro

Coluboccoro

A sci-fi, eco-conscious fantasy about a 14-year-old heroine, SUZU, a descendent of a distinguished shaman who saved people from catastrophe in the past. SUZU sets out on a journey, along with the spirit of nature, COLUBOCCORO, to regain peace and nature to the ruined villages.

I agree

The Adventures of Peter Pan

The Adventures of Peter Pan

Wendy, John and Michael are three children who live a boring life in London, but their dreams are far more interesting: in them, they watch a flying boy called Peter Pan battle the scary pirate Captain Hook. Though their mother has not heard of such a boy, the children soon discover that he is very real – but only to children. Alongside Peter and his fairy friend Tink, the trio flies away with Peter to Neverland – a place where you never grow old and each day is filled with fun and games. Alongside the Lost Boys, jealous mermaids, and a cast of other playful characters, Wendy, John and Michael will have many adventures and go up against not only Captain Hook and his gang, but also a cantankerous old crocodile!

I agree

3000 Leagues in Search of Mother

3000 Leagues in Search of Mother

Marco was a poor but happy boy who lived with his father, brother, and mother in Italy. But once his mother leaves for Argentina to help pay down his father's debts, Marco feels that there's a hole inside he cannot fill. Though he is young, he tries his best to find jobs and make friends along the way, all the while receiving letters from his mother to raise his spirits. However, Marco will soon depart on a grand adventure the likes of which he has never seen before...

I agree

YooHoo & Friends 2

YooHoo & Friends 2

I agree