The Decorative Heal Ball is a hidden treasure tucked under the seafloor in Babby Basin. It sits inside a sealed secret room that only opens once you dig in the right spot, and it is one of the decorative Poké Balls you need to build the Mermaid’s Gym habitat.
Quick answer: In Babby Basin, go to the small house next to the tall red building and the bridge, then dig a hole in the seafloor directly beside the house. Drop into the revealed room and take the Decorative Heal Ball off the pedestal.
Before you go: what you need
The treasure is underwater, so you must be able to explore the Basin’s seafloor and dig into it. The Dive ability, unlocked from Manaphy, is what lets you move through these submerged areas. Once you can reach the seabed and dig, no other special tool is required to open the hidden room.
Landmarks that mark the spot
Three landmarks line up around the dig site, so use them to confirm you are in the correct part of Babby Basin before you start digging.
| Landmark | Why it matters |
|---|---|
| Tall red building | The main reference point; head here first |
| Bridge | Sits nearby and helps confirm the area |
| Small house | The dig spot is directly next to it |
How to dig up the Decorative Heal Ball
How to know it worked
When you take the item from the pedestal, the game confirms the pickup with the message, “You found someone’s hidden treasure! It’s a decorative Heal Ball!” The Decorative Heal Ball is then added to your inventory as a single item.
What the Decorative Heal Ball is for
The Decorative Heal Ball is one of four decorative Poké Balls needed to build the Mermaid’s Gym, the Bubbly Basin habitat that spawns Starmie. You place it alongside the other three balls, a Marine Sofa, and six Pedestals to complete the build.
| Mermaid’s Gym requirement | Amount |
|---|---|
| Marine Sofa | 1 |
| Pedestal | 6 |
| Decorative Great Ball | 1 |
| Decorative Heal Ball | 1 |
| Decorative Dive Ball | 1 |
| Decorative Net Ball | 1 |
| Pokémon spawned | Starmie |
If you miss the pickup or need another copy
If you are still short on any of the decorative balls, the Pokémon Center’s 3D printer can recreate items you are missing. To print one, you first need a photo of it, taken either in a friend’s game or on a cloud island. That gives you a reliable backup path to finishing the Mermaid’s Gym without hunting down every ball by hand.
