Thanks to the Island Living expansion pack, Merfolk can finally live alongside fellow Sims. Just like the wizarding world that came long before it, anyone who chooses to enter the occult life state can walk, swim, or roam freely. Being a mermaid, though, does have its fair share of perks, which you’ll come to learn as you make the fishy transformation.

There are two ways to make a mermaid in The Sims 4:

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To become a mermaid, you will need to acquireMermadic Kelp. The easiest way to get this is to purchase it from theRewards Storefor500 Satisfaction Points. You can also obtain it through fishing, diving, and exploring the cave in Mua Pel’am.

Once you are ready to make the change,consume the Mermadic Kelp, and thenenter the ocean. You will only have24 hoursto go through with the transition, otherwise your Sim will remain human.

Should you want to return to your human form, you will need toconsume two pieces of Mermadic Kelp. Be aware that doing this will strip any abilities you had as a mermaid.

For more Sims content, check outHow to have twins in The Sims 4right here on Pro Game Guides.