If you’re craving an aquatic twist in your Sims 4 gameplay, mermaids are the perfect addition! Introduced in the Island Living expansion pack, mermaids come with magical powers, stunning visuals, and unique gameplay options.
Here’s everything you need to know – from becoming a mermaid to their hidden powers and even how to return to your land-loving life.
How to Become a Mermaid
There are two main ways to become a mermaid in The Sims 4:
1. Be Born a Mermaid
If one or both parents are mermaids, their child has a chance to inherit the mermaid occult. The trait is hidden until Teenage years, when they’ll gain their tail and powers. (Toddlers and children have no mermaid abilities.)
2. Use the Mermadic Kelp
This magical seaweed can be obtained by:
- Exploring the cave in Mua Pel’am
- Fishing (rare chance)
- Buying from rewards store for 500 satisfaction points
- Found while beachcombing
To transform:
- Have your Sim eat Mermadic Kelp
- Enter the ocean within 24 hours
- Boom – you’re now a mermaid!
Read more on Mermadic Kelp uses here
Who Can Be a Mermaid?
| Life Stage | Mermaid Abilities? | Notes |
|---|---|---|
| Toddler | 🚫 | Can inherit mermaid trait, but it’s hidden |
| Child | 🚫 | Still shows as regular child |
| Teen | ✅ | Mermaid powers awaken here |
| Young Adult – Elder | ✅ | Fully active mermaid gameplay begins |
Mermaid Abilities & Powers
Mermaids have unique needs and magical interactions!
Hydration Need
Instead of hygiene, mermaids have Hydration. Keep it full by:
- Swimming
- Bathing
- Drinking water
- Interacting with water
Powers and Siren Songs
| Power Name | Effect |
|---|---|
| Aquatic Lure | Improves fishing success |
| Siren’s Call | Drags nearby Sims into the ocean (fatal!) |
| Inspire Creativity | Boosts creativity for targeted Sim |
| Aegon’s Kiss | Can summon rain |
| Siren’s Lullaby | Calms or bewilders other Sims with song |
Tail Appearance
Mermaids automatically switch into their tail form when swimming in ocean water. You can customise the tail in Create-a-Sim under the occult options.
How to Stop Being a Mermaid
Decided it’s time to return to human life?
To remove mermaid status:
- Eat Mermadic Kelp again
- Don’t enter the ocean for 24 in-game hours
- You’ll revert back to a regular Sim automatically
Cross-Pack Bonuses
If you own other DLC, here are some bonus experiences:
| Seasons | Weather powers like Summon Thunderstorm add impact |
| Realm of Magic | Spellcasters and mermaids can co-exist in hybrids (though glitchy!) |
| Parenthood | Mermaid teens can still experience parenting traits and curfews |
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