Sims 4 Mermaid Guide | WePC

Updated: Sep 23, 2022 8:06 PM

Among the many different types of occult sims in The Sims 4 are the recent and newest addition to the franchise; mermaids. Back in The Sims 2, we really only had vampires, werewolves, and plants as occult options. And even then, players couldn’t create an occult sim in the Create-a-sim feature, whereas since The Sims 3, players can start their new household with an occult sim. Mermaids are a new simulation type added to The Sims 4 in the 2019 Island Living expansion pack.

In this guide, we’ll walk you through how to play and get the most out of your Mermaid Sims. How to make your own mermaid sim, what their abilities are, and any in-game changes you should know about.

How to Make a Mermaid in The Sims 4

Sims 4 Mermaid
You can customize your sim’s mermaid form in CAS – Copyright Maxis/EA, captured by

As with all occult simulations, there are several ways to create your own occult simulation. Whether it’s in-world interactions, cheats, or Create-a-Sim.

Starting with the method of the game, if you have chosen a sim, you want to organically become a mermaid through the methods of the game. So how does one become a mermaid? Mermadic Kelp, a simple in-game food, is all it takes to turn you into a mermaid. But getting your hands on some is where you’ll need a little help. While the first method is easy, it’s not quite the storyline version of becoming a mermaid:

  • Purchase Mermadic Kelp from the Reward Shop. By using satisfaction points, you can easily buy mermadic kelp from the rewards store. Mermadic Kelp costs 500 satisfaction points in total.

While the second method to find Mermadic Kelp is to explore Sulani a bit more. And because Mermadic Kelp isn’t a plant you can just grow or hope to spawn outdoors, you need to know where to find it. Befriending a dolphin is a reliable way to get kelp. Dolphins appear randomly around orange buoys in the ocean; approach the group and one of them will swim up to greet you.

Once you’ve befriended a dolphin, it can be asked to perform tricks; ask him to “search” and he’ll bring you an object from the ocean. There is a small chance that a piece of mermadic kelp will be the gift your friend collects for you – although this method is not the most reliable and relies on luck.

The Sims 4 Island Life
You can now befriend dolphins in Island Living – Copyright Maxis/EA

But if you prefer to go it alone, there are several other ways to find kelp:

  • Explore the cave near the Admiral’s Wreckage lot in the Mua Pel’am district
  • Angling from one of the many fishing spots along the Sulani shoreline
  • Scuba diving from an orange buoy with a red cap.

How to Use Mermadic Kelp in The Sims 4

Once you figure this out, the item will be in your Sim’s inventory; just click on it and select the “Eat” option. After which, your Sim will receive a new Energized Mood called “Strange Sensations,” with text suggesting they might like to be in a large body of water. Follow this prompt and enter the ocean. Once your Sim is waist deep in water, their new mermaid form will be revealed. If you’re not too happy with how they look, you can change their mermaid appearance by using the “Change Sim” option on a mirror or dresser.

Create a mermaid

How to Become a Mermaid in The Sims 4
You can choose between different tails as a mermaid – Copyright Maxis/EA

You can also create a mermaid in Create-a-sim, where you can choose their general appearance as well as their mermaid shape. This is by far the easiest method to create your mermaid and means you can start the game right away with one. Through creating a simulation, you can also change your mermaid’s cosmetics, including the design and shape of the tail.

Sims 4 Island Living Cheats

As with most Sims 4 content, new cheats will also be added to the game that can turn your sim into a mermaid. But there are also other tricks unique to the Island Living expansion pack.

Sims 4 Mermaid Cheats

cheat codes Results
traits.equip_trait trait_OccultMermaid Transform your Sim into a mermaid/merman
traits.remove_trait trait_OccultMermaid Turn your Mermaid/Merman Sim into a normal Sim
traits.remove_trait trait_OccultMermaid_TYAE Change your hydration needs to hygiene when you go back to being a normal Sim with the cheat above
traits.equip_trait trait_OccultMermaid_MermaidForm Trigger the mermaid tail on land

Environmental Career Tips

cheat codes Results
careers.add_career Environmentalist Add Conservationist Career
careers.promote Environmentalist Level up in the conservationist career
careers.remove_career Environmentalist Delete the conservationist career

Get promotions for part-time jobs

cheat codes Results
careers.promote PartTime_Diver Being promoted part-time Diving career
careers.promote PartTime_Fisherman Being promoted part-time Fishing career
careers.promote PartTime_Lifeguard Being promoted part-time lifeguard career like an adult
careers.promote Teen_Lifeguard Being promoted part-time lifeguard career during teenagehood

Island Life Traits Tips

cheat codes Results
traits.equip_trait trait_BeachBum_LaidBack Relaxed
Relaxed Sims never get tense.
traits.equip_trait trait_Hidden_IslandAncestor_Elemental Sulani Mana
This Sim is imbued with the elemental energy of Sulani due to her heritage. They can increase the quality of plants and summon volcanic bombs.
traits.equip_trait trait_NaturalSpeaker natural speaker
Sims who are natural speakers have been gifted by nature with an instinctive charisma. Being friendly is second nature. These Sims find it easy to get other Sims excited and aware of their cause and find that their grant applications tend to be accepted.
traits.equip_trait trait_FriendOfTheSea master of the sea
A seabender befriends dolphins and mermaids faster and can maneuver around the ocean much easier.

Summon a shark

cheat codes Results
sims.add_buff buff_OceanSwimming_ReactionTrigger_SharkSighting Trigger a shark to swim next to your Sim (50% chance)

Clean up Sulani with cheats

cheat codes Results
narrative.start_narrative narrative_IslandConservation_Stage_Starting Step 1 – Make your beach dirty and full of trash.
narrative.start_narrative narrative_IslandConservation_Stage_Intermediate Stage 2 – Cleaner but you can still find fishing nets and trash.
narrative.start_narrative narrative_IslandConservation_Stage_Final Step 3 – Your beach is clean and you can see turtles, jellyfish and even come across an albino dolphin!

Spawn multiple dolphins

cheat codes Results
loot.apply_to_sim loot_Dolphins_Investigate_SpawnDolphin Summon a dolphin. (your Sim must be in deep water for this to work)

Volcanic eruption

cheat codes Results
small volcanic eruption Small lava bombs fall from the sky onto your land.
large volcanic eruption Large lava bombs fall from the sky onto your land.

Start a monsoon

cheat codes Results
weather.start_weather_event weather_Rain_Storm_Warm Change the weather to monsoon

Start Sulani Island Events

cheat codes Results
drama.run_node islandEvents_Large_DramaNode_FishingCompetition Starts the fishing competition event in Ohan’ali Town (look for the fishing nets next to the docks in the water)
drama.run_node islandEvents_Large_DramaNode_IslandCelebration Starts the Island Celebration event in Ohan’ali Town (next to the bar)
drama.run_node islandEvents_Large_DramaNode_TurtleHatching You will need to be on the island of Mua Pel’am next to the wreckage.
drama.run_node islandEvents_Small_DramaNode_BeachBonfire Starts the Beach Bonfire event in Ohan’ali City (on the beach with shallow water)
drama.run_node islandEvents_Small_DramaNode_FamilyFunDay Starts Family Fun Day event in Ohan’ali city (at the beach with shallow water)
drama.run_node islandEvents_Small_DramaNode_FlowersAndMusic Start flower and music event in Ohan’ali town (next to the bar)
drama.run_node islandEvents_Small_DramaNode_TownBBQ Starts the Town BBQ Event in Ohan’ali Town (next to the bar)
drama.run_node islandEvents_Small_DramaNode_TownPotluck Starts the Town BBQ Event in Ohan’ali Town (next to the bar)

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