If you go to store and then click upgrade island or island upgrade then there will be options on how big will the expand be. You will need a lot of neighbours!
A lot
The Spanish Isle is where Dominican Republic and Haiti are. It's called Española (which is the name of the ship in Muppet Treasure Island.)
you have to dig to dig up your coins and get tools and things for your island.
Treasure Isle - Zynga game - happened in 2010.
You can find it as one of the rare rewards in the Monkey Palace at Tiki Isle III. You would need 4 golden tickets to enter though.
No there isn't any treasure that i know of on Tail Isle DollyHorse Chestnut Server
Treasure Isle - 1967 was released on: USA: 18 December 1967
Treasure Isle - Zynga game - was created on 2010-04-04.
On Horse Isle, Lava Isle
The Treasure of Desert Isle - 1913 was released on: USA: 3 October 1913
Isle and island are synonyms.
u keep digging. then u get treasures, fruit and gems. i dont know eat some cheese or something