Let’s get one thing out of the way: I love Ariel. Perhaps you do too? Or maybe you’re a secret or not-so-secret Ariel hater. No worries, there is room for you here. But if your entire mental shelf of mermaid books starts and ends with a redhead trading her voice for legs, you are missing out on an entire ocean of stories where the mermaids are stranger, angrier, sadder, and much, much more dangerous.
Because here’s the secret about mermaid fiction: the best of it isn’t about wanting to be part of your world. It’s about curses, hunger, memory, and what the sea takes from the people who love it. If that sounds like your kind of deep water, here are six mermaid books that swim well clear of the Disney lagoon, plus one of my own at the end, if you make it that far without drowning.
To Kill a Kingdom: Alexandra Christo
The reigning queen of dark mermaid fantasy. Lira is a siren princess who collects the hearts of princes, one for every year she’s been alive, seventeen and counting, buried in the sand of her bedroom. Then her mother punishes her by turning her into the one thing sirens despise most: a human. Enter Elian, a prince who hunts sirens for sport, who has no idea the girl he’s just pulled from the sea is the infamous Prince’s Bane. Enemies-to-lovers with actual body count, brutal worldbuilding, and zero interest in redemption via true love’s kiss. If you read one book off this list, make it this one.
Skin of the Sea: Natasha Bowen
A gorgeous reimagining rooted in West African history and lore. Simidele is a Mami Wata, a mermaid whose sacred duty is collecting the souls of those who die at sea and ushering them onward. Then a boy falls overboard, still alive, and she saves him, breaking the laws of the gods and setting off a perilous journey to plead her case before the Supreme Creator. It earned a stack of starred reviews for good reason: the mythology feels ancient and real, and the stakes are cosmic. Proof that mermaid lore is so much bigger than one Danish fairy tale.
The Deep: Rivers Solomon
The heaviest and most haunting book on this list. The wajinru are water-breathing descendants of pregnant African women thrown overboard from slave ships and their history is so painful that only one of them, the historian Yetu, is made to carry all of it, so the rest can live free of the memories. It’s a short novella, it won the Lambda Literary Award, and it will sit with you for weeks. Fair warning: this is adult, slow, and devastating rather than adventurous. Read it when you want mermaid fiction that means something.
Sea Witch: Sarah Henning
Every villain was someone’s friend first. This is the sea witch’s origin story set in 19th-century Denmark and woven through with the country’s very real history of witch burnings, following three friends: one feared, one royal, one already dead. It’s a slower, moodier burn than the others here, more gothic historical than action fantasy, but if you’ve ever watched Ursula steal every scene she’s in and thought I want HER story, this is that book.
A Song Below Water: Bethany C. Morrow
Mermaid fantasy in the real world, well, present-day Portland, to be exact. Tavia is a siren forced to hide what she is in a society that wants her kind under lock and key, while her best friend Effie wrestles with hauntings of her own. Then a siren murder trial grips the nation, Tavia’s magical voice slips out during a police stop, and suddenly no secret is safe. It’s urban fantasy with teeth, using siren lore to talk about whose voices get silenced and why. If you like your ocean magic on dry land with real-world stakes, start here.
Into the Drowning Deep: Mira Grant
And now, the nightmare fuel. A scientific expedition sails to the Mariana Trench looking for proof that mermaids are real. They find it. This is full-throttle science-fiction horror — adult, gory, and genuinely frightening — for readers who think the scariest thing about the ocean is the fact that we have no idea what’s actually down there. After this one, you will not be singing “Under the Sea.” You will be checking the bathtub.
And when you’re ready to come home: The Atlantis Twins
If any of the above hooked you…the curses, the sisters, the secrets under the surface…can I point you toward my own corner of the ocean?
The Atlantis Twins begins with Alysa, a seventeen-year-old in Hawaii with no memory of the boating accident that nearly killed her and no willingness to accept that her twin sister Alyx, who vanished that day, is really gone. She’s right not to. Because Alyx was transformed, cursed, and pulled into a world Alysa doesn’t even know exists. Finding her means uncovering a family heritage tangled up in mermaid genetics, ancient enemies, and an island where the secrets go back generations.
It’s book one of a trilogy about sisters who refuse to let an ocean (or death) separate them. If dark ocean fantasy is your genre, come on in. The water’s dangerous.
Happy reading, MSK
What’s the best non-Disney mermaid book you’ve read? Defend your pick in the comments, I’m always looking for the next one to drag me under.
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