Head to FIve-Eye Reef and take out all the mounted wall cannons to get a chest to appear with the Great Fairy Chart.
#1 Northern Fairy Island (C-1)
Need Bombs/ Reward: Bigger Wallet
#2 Mother & Child Isles (B-2)
Need Ballad of Gales/ Reward: Fire and Ice Arrows
#3 Western Fairy Island (A-3)
Need Skull Hammer/ Reward: Arrow Upgrade
#4 Eastern Fairy Island (E-3)
Need Bombs/ Reward: Bomb Upgrade
#5 Thorned Fairy Island (G-4)
Need Skull Hammer/ Reward: Arrow Upgrade
#6 Southern Fairy Island (D-6)
Need Bombs/ Reward: Bomb Upgrade
#7 Outset Island (B-7)
Need Bombs and Deku Leaf/ Reward: Bigger Wallet
#8 Two Eye Reef (D-7)
Need Bomerang or Bombs to kill Big Octo/ Reward: Magic Meter Upgrade
