The center is the spot right under Spawn. This is where most of the PvP will happen. It consists of the castle and village surrounding the area with areas of water as well.
A dedicated area for KitPit which can be only be accessed by a portal in spawn.
A castle that is dedicated for the King of the Hill (KOTH) event, located further back at the map.
A hidden lava fishing spot is located directly under the KOTH Castle, can only be used if the lava fishing perk has been unlocked.
There are 4 secret shops hidden around the map.
A Sell Fish NPC will buy the fish you catch. Price which includes money and fish points is based on their rarity/length.
Huey NPC gives you access to a fish shop. Where you buy items using fish points
The Bone Dealer will sell you cheaper fishing rods, mushroom soups, boats, splash poison, and a bone.
The Mermaid Shop will sell you Diamond Axes, Night Vision, Invisibility Pots, Water Breathing Pots and Leaping Pots.