/island - Start a new skyblock island, or return to an existing one.
/island restart - Restart your skyblock island (will remove all progress)
/island sethome usb.island.sethome Set the point where you teleport to when using /island (note: can only be used close to your island)
/island info usb.island.info View information about yours or another persons island
/island top usb.island.topten View the top ten list.
/island lock usb.lock Prevents anyone outside of the player's party from entering the island (note: requires WorldGuard protection to be enabled)
/island unlock usb.lock Let anyone enter the player's island (note: requires WorldGuard protection to be enabled, and other player's will still be unable to build unless they are in the same party)
/island invite <player> usb.party.create Invite a player to join your island.
/island kick <player> usb.party.kick Remove a player from your island.
/island makeleader <player> usb.party.makeleader Make <player> the new owner of your island
/island accept usb.party.join Accept an invitation to join an island.
/island reject usb.party.join Decline an invitation to join an island.
/island leave usb.party.join Leave your current island. Note: If you are the party leader, you will keep the island and remove all other players.
/island party usb.party.join Display information about your island's leader and members
/island checkparty <player> usb.mod.party Get information about <player>'s island group
/island partylist usb.mod.party See a list of all island groups
/island listinvites usb.mod.party See a list of pending invites
/island purgeinvites usb.mod.party Delete the list of pending invites
/island partyclean usb.mod.party Attempt to fix broken island groups (player's unable to leave/join islands)
/island warp usb.island.warp View information about the warp feature
/island warp <player> usb.island.warp Warp to <player>'s island. Requires that <player> have an active warp.
/island setwarp usb.extra.addwarp Set the location that players can warp to on your island. Anyone using /island warp to visit your island will teleport to this point
/island togglewarp usb.extra.addwarp enable/disable your island's warp point. When disabled non-party members will be unable to warp to your island.
/island ban <player> usb.island.ban ban/unban a player from warping to your island. Note: this only affects players using /island warp to visit your island
/challenges usb.island.challenges View the list of available challenges.
/challenges <challengename> usb.island.challenges View information about requirements/rewards for the given challengename.
/challenges complete <challengename> usb.island.challenges Attempt to complete the given challengename.
/dev goto <player> usb.mod.goto Teleport to <player>'s island
/dev protect <player> usb.mod.protect Add WorldGuard protection to the player's island (not necessary when using the built-in protection)
/dev protectall usb.mod.protectall Attempt to add WorldGuard protection to all unprotected islands. (not necessary when using the built-in protection)
/dev topten usb.mod.topten Generate a new top ten list, or update an old one.
/dev reload usb.admin.reload Reload the configuration settings from the file.
/dev remove <player> usb.admin.remove Remove ownership of <player>'s island without destroying it.
/dev delete <player> usb.admin.delete Delete <player>'s island.
/dev register <player> usb.admin.register Set <player>'s island location to a bedrock within 15 blocks.
/dev completechallenge <challengename> <player> usb.mod.challenges Complete the given <challengename> for <player> (note: this does not give rewards, it only sets the status as completed)
/dev resetchallenge <challengename> <player> usb.mod.challenges Reset the given <challengename> for <player> (note: this does not take rewards away, it only sets the status as incomplete)
/dev resetallchallenges <player> usb.mod.challenges Resets challenges for <player> (note: this does not take rewards away, it only sets the status as incomplete)
/dev purge <TimeInDays> usb.admin.purge Remove all islands whose owner has been offline for more than <TimeInDays> days