Marina's Sisters is a group of king neptune's six group daughters of the sea. And Marina was with them in the coral reef palace. Also they got in the surface of the human world too. Their name is Splashy, Flippy, Seaweed, Melody, Calliope and Harmony.
- Marina's Sisters is very similar to Ariel's Sisters and other Mermaid Princesses.
- Their color is aqua (Splashy), green (Flippy), purple (Seaweed), blue (Melody), yellow (Calliope), orange (Harmony) and their own sub colors.