Hello Kitty Island Adventure Brings you to a vast archipelago to explore. At the beginning of the game, you will need to travel the old-fashioned way; Running (and swimming) around to reach your destination. Thankfully, you'll finally be able to unlock the fast-travel system.

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In this guide, we'll take a look at how to unlock this fast-travel system, and where each point is located. Instead of traveling to wherever you want, you'll be able to unlock and travel to mailboxes that display on the map. First, let's dive into the quest you need to complete to unlock these mailboxes.
How to unlock mailboxes
To unlock mailboxes, you will need Complete the quest delivery service. This quest will unlock when you Befriend Kuromi in the first level. Once this happens, Kuromi will be waiting for you at the mailbox in the Horror Swamp.
At this point, you will need Provide the pumpkin in my melody, And then bring the plant for Kuromi. On the way back, Cinnamoroll will explain the mailboxes to you, which You can retreat to the dreaded swamp to deliver the plant.
Once this is done, fast travel will be unlocked! If you actually want to use mailboxes, you need to locate them first. This means you won't be able to teleport to an area you've never been to before.
All mailbox locations
Below, you can check out all the mailboxes available to teleport to in Hello Kitty Island Adventure. Not all of these locations are available to visit from the start of the game. To unlock them, continue Complete quests and level up friendships with everyone. We've made a note if all mailboxes can be found by simply exploring, or if quests/tasks need to be completed beforehand.
From the map, you will be able to see a A complete list of all mailboxes. Any mailbox in an area you've explored but not yet seen will be there Display something as a question mark. It will help you Keep track of any mailboxes you've missed.
Seaside resort
- Instantly unlockable (no quest required): yes
Mailbox number |
Name on map |
place |
---|---|---|
1 |
moon island |
This island is crescent shaped on the left side of the sea The mailbox is on the right 'point' of the moon |
2 |
Hopscotch Islands |
It is just below Moon Island, with the raised terrain to the left of the island |
3 |
Resort Docks |
It's right in the docks! |
4 |
Cozy islands |
This mailbox is north of the resort plaza on the upper right island |
5 |
Resort Plaza |
It is on the right side of the resort plaza |
6 |
Resort Gate |
It's just south of the gate leading to the Dread Swamp |
The Dreadful Swamp
- Instantly unlockable (no quests required): yes
Mailbox number |
Name on map |
place |
---|---|---|
1 |
Ghost ride ride |
It's in the upper left corner of the area, at the beginning of the Ghost Tour ride |
2 |
The Dreadful Swamp |
It is in the central plaza of the area |
3 |
Nature conservation |
It is in the southeast corner of the marsh, next to the Nature Conservancy building |
Rainbox rocks
- Instantly unlockable (no quest required): no
Mailbox number |
Name on map |
place |
---|---|---|
1 |
sunken ship |
It is near the tail section of the ship, found on the northern edge of the reef |
2 |
Kelp Maze |
This gem is just south of the dock leading down the hill |
3 |
Comedy Club |
It is right outside the club where Hangyodon is found |
There is a fourth mailbox that you unlock once Complete the quest straight to your heart. This is part of a long series that will take some time to get to.
Mount Hothead
- Instantly unlockable (no quest required): no
Mailbox number |
Name on map |
place |
---|---|---|
1 |
Caldera |
It is located on top of Mount Hothead |
2 |
Hot Springs |
It is in the upper right section of the map in the beach area |
3 |
Upper Remnant Entrance |
It's just north of the Mount Hothead mailbox, unlocked through the Enraging Ruins quest |
4 |
Mount Hothead |
This is the 'central' mailbox near the entrance to the large ruins Retsuko is usually nearby |
Ratna Hill
- Instantly unlockable (no quests required): yes
Mailbox number |
Name on map |
place |
---|---|---|
1 |
Gem Coral |
It's a little north of the Oasis mailbox |
2 |
Oasis |
It is near the boat where Pompompurin is found |
3 |
The jewel city |
It is located two buildings down in the center of town |
Through search, you will be able to Restore the area and bring back some water. This does not affect the placement of mailboxes.
snowy peak
- Instantly unlockable (no quest required): no
There are two Snowy Peak mailboxes. The first is technically Gem Hill; It's in the mailbox In the upper right corner of the map. Complete once challenging reward, You will be able to enter the area.
There is also a waypoint at Ice Peak. Getting here can be quite a trek, however Once the mailbox is unlocked, you can easily travel there.
Mary Meadows
Instantly unlockable (no quests required): no
Mailbox number |
Name on map |
place |
---|---|---|
1 |
Merry Meadows Fields |
It's in the lower left corner of the map |
2 |
Mary Meadows Plaza |
It's on the circular island in the middle of the map |
3 |
Mary Meadows Unlook |
It is on a small overlook just southwest of the Plaza Mailbox |
4 |
Meadows Manufacturing Station |
It is directly to the right of the Plaza Mailbox, near Srishti Station |
5 |
Meadows Temple |
It's near the left bridge at the top of the map |
6 |
Meadows Gazebo |
It's in the far right area, but you need to unlock the area first This is done by growing beanstalks |
City Town
-
Instantly unlockable (no quests required): yes
-
It only applies to three city-level mailboxes
-
Mailbox number |
Name on map |
place |
---|---|---|
1 |
City Center |
It is at the top of the road, north of the main dock |
2 |
City Critter Park |
It's at the lower end of the park, which looks like a giant green circle on the right edge of the map |
3 |
City rooftops |
It's northwest of the park mailbox, on the roof to the right of the green hexagon |
There are three additional mailboxes that do not display on the main map. These three are Lsitting in the sewers, with the following names.
- main sewer
- Lower sewer
- Upper sewer
After completing the top and bottom the sewer will be unlocked. there isn't The official map of the sewers in the game, But the Hello Kitty Island Adventure community has your back. If you need help navigating the sewers, check out this map from u/ktroma on Reddit, where they share it. Sewer layout, including three mailboxes.

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