|Interests||Swimming in the ocean|
|Dislikes||Getting caught in a net|
|First Appearance||Dora Saves the Mermaids (Dora the Explorer)|
|Last Appearance||Magical Mermaid Adventure (Dora and Friends: Into the City)|
|Friends||Dora, Boots, Alana, Emma, Kate, Naiya, Pablo, Fishy|
|Enemies||La Sirena Mala (formerly), Octopus Guards (formerly)|
|Voiced By|| Gabriela Aisenberg (Dora the Explorer)|
Naomi Rosado (Dora And Friends)
Mariana is a sweet and very beautiful mermaid who was first introduced in the episode "Dora Saves the Mermaids".
Mariana has blonde hair with a flower in her hair. She wears a purple mermaid shirt and her fish tail is cyan.
Mariana the Mermaid's very first appearance was on "Dora Saves the Mermaids".
- Mariana the Mermaid also made an appearance in an episode of the Nick Jr. spin off show, "Dora and Friends: Into the City!" entitled, Magical Mermaid Adventure.
- Pablo is shown to have a one-sided crush on her.