Premium locations are locations that require additional items (access passes) to explore. For example, to enter the Clothing Store, you'll need Gold Threads, and for the Lair—Gremlin Potions.
List of premium locations, their access passes, and unlock levels:
| Premium locations | Access passes | Level |
| Clothing Store | Gold Thread | 12 |
| Garden | Lantern | 18 |
| Dressing Room | Theater Ticket | 24 |
| Ship | Piece of Eight | 36 |
| Gloomy House | Candy Cauldron | 42 |
| Old Square | Lock | 57 |
| Antique Shop | Brooch | 60 |
| Veranda | Raindrop | 72 |
| House of Toys | Golden Bells | 78 |
| Enigma House | Investigators' Badge | 87 |
| Candy World | Chocolate Beans | 111 |
| Lair | Gremlin Potion | 123 |
| Moon Court | Scarlet Lantern | 138 |
| Sakura Garden | Flower Water | 141 |
| Mill | Festive Lollipop | 162 |