I have a skyblock tutorial for beginners who don't know how to play skyblock.
Starting off with commands..
If you want to create your island do /island
If you want to restart your island do /is restart
If you want to have an island home do /is sethome
If you want to view your island party information type /is party
If you want to invite a player to your island do /is invite <Name>
If you want to leave another player's island do /is leave
If you want to kick/remove player from your island do /is kick <Name>
If you want to [accept/reject] do /is [accept/reject]
If you want to another person to take over your island do /is makeleader <Name>
If you want to warp to another player's island do /is warp <Player>
If you want to ban or unban a person from your island do /is ban <Player>
If you want to see the island ranks to /is top
If you want to get a free sapling do /is sapling

Voting rewards:
$100

Hope you enjoy!