Dig on any "X" in the sand when they appear on Pirate Isle
North near the rock (big) and click the wrench and dig ShineRose grey
The quest that gives you the most money in HorseIsle is Grey Slate's Gaudy Crown. It can give up to 50,000 points.
They dig it up and sell it to traders from Pakistan for money.
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.
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.
The horseisle handbook treasure #1 is at the Earton Crosswords signs. Go to the crosswords in Earton and dig, you should find the treasure.
You have to dig up diamonds then sell them.
All you have to do to start playing HorseIsle 2 is sign up at the website, then quest for money, buy/catch horses, compete in events and play with friends! The HorseIsle 2 site has some good help videos and forums.
You can catch fish. You can catch bugs. You can dig up fossils. You can dig up Groyds. And you can hit rocks with you shovel. Sell all of these to Tom Nook and you will have loads of money.
Dig in the top left corner of Mare Isle and you will be "poofed" on to Palm Isle.
To dig, all you need to do is stand on top of the area in which you are going to dig and then you click on the wrench at the bottom right corner of the game screen and then you will see a shovel and the option to dig. Click on it and then in the right chat box you have dug! Dapples on Brown Server ;D
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!