The mermaids' garden is an underwater coral reef owned by mermaids Uniqua and Tasha.
Looks
The garden contains brightly-colored coral. A large blue rock shaped like a door acts as the gate to the garden.
Appearances
The mermaids' garden has appeared in one episode of The Backyardigans: "Into the Deep" from season two. It is also seen in the live performance Sea Deep in Adventure.