Fully Functional Island Generator Add Friends To Your island. You can use this for vaults, sky block islands, Prisons, Your imagination is the boundary. Fully compatible with realms. And Is very multiplayer-friendly. Use this to shock your friends or even make your own server!

RUN THESE COMMANDS (in order):

/scoreboard objectives add locationID dummy
/scoreboard objectives add locationID1 dummy
/scoreboard objectives add locationID2 dummy
/scoreboard objectives add locationID3 dummy

PRE-GEN:

[R] [U] [AA] [150] execute @a[tag=pregen] ~~~ scoreboard players operation @s locationID = nextisland locationID
[C] [C] [AA] [0] scoreboard players add nextisland locationID 1
[C] [C] [AA] [0] execute @a[tag=pregen] ~~~ function locationDB
[C] [C] [AA] [8] execute @a[tag=pregen] ~~~ structure load island ~-5~-11~-8 0_degrees none
[C] [C] [AA] [4] execute @a[tag=pregen] ~~~ fill ~16 255 ~16 ~-16 255 ~-16 border_block 0
[C] [C] [AA] [1] execute @a[tag=pregen] ~~~ fill ~14 255 ~14 ~-14 255 ~-14 air 0

ON NEW PLAYER JOIN

[R] [U] [AA] [150] tag @r[scores={locationID=0}] add creatingIsland
[C] [C] [AA] [0] say §9Please welcome §b@a[tag=creatingIsland] §9to §d5 Frame SkyBlock§9! They have joined for the first time.
[C] [C] [AA] [0] execute @a[tag=creatingIsland] ~~~ scoreboard players operation @s locationID = nextisland locationID
[C] [C] [AA] [0] scoreboard players add nextisland locationID 1
[C] [C] [AA] [0] execute @a[tag=creatingIsland] ~~~ function locationDB
[C] [UC] [AA] [0] tag @a remove creatingIsland

Block Type:

[R] = Repeating Command Block
[C] = Chain Command Block
[I] = Impulse Command Block

Condition:

[Con] = Conditional
[UC] = Unconditional

Redstone:

[AA] = Always Active
[NR] = Needs Redstone
Delay in Ticks: 
[#] = Delay in ticks

Want to add a friend system? Use the following commands/ functions: /scoreboard players operation @p[tag=acceptFriend] locationID1 = @p[tag=addingFriend] locationID

This sets locationID1's value for the person with the tag acceptFriend equal to the person with the tag addingFriend.

/function locationDB1

This will teleport the person to their 1st friends island.

You can do the same for /function locationDB2 and /function locationDB3 to add up to three friends. Enjoy