Good game.
Walkthrough: (do not read unless you are stuck)
You need to get 3 pearls to finish. The first is in a hole. Go 3x right and click the octopus outside the boat (pink thing). Go left and after selecting the octopus in inventory click the first pearl.
Go left twice, and read the number on sea rations, which is 1986 then go right twice back to the screen where you found the pearl. Open the crate. (code 1986) Take the second Pearl and the key hidden near the top lock of the crate.
Go Right and unlock the lock with the key from inventory selected. Take prybar. Go right. Using prybar open the crate and eat the apple. Go right. Pull the rope. Go left and take the handle off of the oar. Pick up screwdriver. Select screwdriver inventory. Unscrew paddle, take metal pole. Go right click clam with screwdriver selected from inventory. Get 3rd pearl. Put 3 pearls in black box, and open. -Take Cloth. Go right, put pole in hole, put cloth on pole, go left until an island appears, click island. Done.