Mermaids Fantasy Books: Best Reads

Mermaid fantasy centers on ocean worlds, siren legends, and aquatic societies. Stories often blend sea magic, royal intrigue, and coastal adventure for ocean‑loving readers.

Curated by Fabled Tome

1 Books in subgenre
Apr 13, 2026 Last updated
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1 In Other Lands

In Other Lands

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Rated 4.35 out of 5 stars, based on 13,144 reviews.

In Other Lands by Sarah Rees Brennan follows Elliot, a sharp-tongued, academically inclined thirteen-year-old who discovers a hidden wall and gains entry to the magical Borderlands. Expect a fantasy setting where modern technology fails, mermaids exi…

Book 1 of In Other Lands series