Ardent & Atropos - Take the rowboat from Palm Isle.
Aesop Isle - Talk to Fitzgerard on Dust Isle.
Basalt Isle - Take the boat from Scoria Isle.
Bone Isle - Talk to Hudson on Turtle Isle.
Cloud Isle - First you need the 75% qp award. Take 3 giant coconuts to Winchell on Jungle Isle.
Crazy Eddie's Isle - You can get here via the bridge that connects Bone Isle and Eddie's Isle.
Crescent Isle - Talk to Demetrius in Witherton.
Drill Isle - Take the boat from Senerity Isle docks.
Dust Isle - Talk to Dusty on the 3rd Sand Isle.
Eldorado Isle - Talk to Sara on Bone Isle. (About pies)
Galvin's Isle - Talk to Galvin in Muzzle Forest.
Haven & Half Haven - Talk to Seamus Schooner, Harbormaster of the Shellton Dock.
Hotzeplotz Isle - Talk to Grey Slate, Owner of Carrotton Rock Shop.
Icicle Isle - Talk to the snowman Icy on northern part of Snow Isle.
Igneous Isle - Talk to Patsy on Lava Isle. To get away, talk to the lady on the southwest part of Igneuos Isle.
Lava Isle - First you need the 25% qp award. Talk to Deidra on Hoof, she'll send you to Sir Sleepwell and he'll send you to Lava Isle for 5 wildflowers.
Lilac Isle - Talk to mr. Tuttle in Shellton.
Loch Isle - Talk to Dewey Waders in Treeton.
Magma - Talk to Cupid on Igneous Isle.
Mare Isle - Talk to Temperance in Treeton.
Nonesuch - Talk to Ruthie on Half Haven.
Palm Isle - Dig the northwest corner of Mare Isle.
Paradise Isle - Talk to Robin who lives in the willow tree east of Witherton.
Patsy Isle - Talk to Deidra on Hoof Isle.
Pirate Isle - First you need 50% qp award. Go to Pirate either from Bird Isle eastern coast (takes you to the Crossbones) or from eastern coast on Saddle Isle (takes you to Skull). Boat fare is 2 pearls.
Prison Isle - Talk to Griffin in Earton.
Pumice Isle - Talk to Cupid on Igneous Isle.
Puuhonua Isle - Talk to Barrett, Tail End Storekeeper.
Quiet Isle - Talk to Galvin when he has sent you to his own island.
Rain Isle - Talk to the Rock Shop owner on Vine Isle.
Rock Isle - Talk to mr. Tuttle in Shellton.
Scoria Isle - Talk to Argus Beesty, the adoption centre's owner on Lava Isle.
Serenity Isle - Once you have achieved 100% Quest Point award, bring 2 sugar chunks to the Unicorn Uniter on Cloud Isle.
Shimmer Isle - Take the rowboat from Palm Isle.
Solomon Isle - Talk to Sara on Bone Isle.
Spice Isle - Talk to Minnie Biscuit in Treeton.
Spirit & Unknown Isles - Rent a Pegasus or an Unicorn.
Talon Isle - From Shimmer Isle.
The Neverending Isles - Talk to the dragon, Falcor, near Atreyu's cabin on Turtle Isle.
Theobroma Isle - Talk to King Phil on Hotzeplotz.
Tranquility - Once you have achieved 100% Quest Point award, bring 2 sugar chunks to the Unicorn Uniter on Cloud Isle.
Welcome Isle - The island where you get when you start playing for the first time. Only way to get back is to rent a Pegasus or an Unicorn.
Hint: When you want to get to one of the bigger isles, check the nearby isles' docks.