The NeverEnding Isle.
You can only get there by talking to the man on the beach on Turtle Isle, you do his quest and you will be aloud to travel there when ever you like.
It is left of Turtle Isle on Beach
I think it could be one of the never-ending isles :)
The largest isle on HorseIsle is Jungle Isle.
Jungle Isle by far!horse isle answer:
Alpine Isle. But in the middle of the isle.
how do you get to pirate isle
Any isle except Cloud Isle
Dog Isle is not an isle. -FoxFire and JumpingWater (((** Proud Bayians **)))
You can get to Web Isle from either the Jungle or Vine Isle docks.
Aesop Isle
Ice Isle
on jungle isle
On Horse Isle, Lava Isle