You can dig in Earton below the shrubbery near the fountain. You can also dig in many, many places on Jungle Isle. There are also other places all over the isles but in strange places and sometimes you find them doing quests.
Dig on any "X" in the sand when they appear on Pirate Isle
The horseisle handbook treasure #1 is at the Earton Crosswords signs. Go to the crosswords in Earton and dig, you should find the treasure.
North near the rock (big) and click the wrench and dig ShineRose grey
Horseisle Answer: I found this tricky, but I finally digged all over all the isles and found it: Go to the ONLY sandcastle moat on Ice Isle and dig around there; you'll find it!
You can buy them, find them in natural places, or dig them up.
On the other side of the trees by where Scuttle is you will see a lone stump. Dig there to find the Golden Acorn.
if feltons the one who lives in flipperton then the first bone is right at the bottom just dig around and soon you will find it.
when someone digs it in and you dig it out
The red crosses are buried treasures from pirates. If you stand over them and dig, you get money. They are randomly found on the sand on the beach next to the water.
*If you need any extra help, talk to Welcome Willy in the cabin*There should be a rock on the top of Welcome Isle. To get the treasure, you must dig. To dig, click on the picture of the tool to the right of the chat box. Then click "Dig." Dig around the area of the rock and you should be able to find the treasure.
They dig in places like ancient ruins
Dig in the top left corner of Mare Isle and you will be "poofed" on to Palm Isle.