Yes, but it requires deleting your current island and the help of an alt or another player. Have another player or your alt coop you, leave the coop, wait a few minutes for someone else to spawn an island at your coords, and then /newisland. If you meant biome of your current island, then what Tannen said. You need Cypriot to do it for you (he does it for 400s).
Since your question has been answered, I will lock and archive this. You can do what Cissa said or try and contact Cyp for one. I would suggest doing it the way Cissa said as Cyp may not do it for you.
Thread Locked. If you disagree to this action, please report this post, and a moderator or administrator will reconsider it. Kind regards, The Staff