Our Wives Under the Sea

Julia Armfield

Out of the Blue

Jason June

In Deeper Waters

F.T. Lukens

Red Seas Under Red Skies

Scott Lynch

A Gathering of Shadows

Victoria Schwab

A Lair of Bones (Curse of the Cyren Queen, #1)

Helen Scheuerer

Ship of Magic

Robin Hobb

From Below

Darcy Coates

The Amalfi Curse

Sarah Penner

All the Stars and Teeth

Adalyn Grace

The Bone Ships

R.J. Barker

To Kill a Kingdom

Alexandra Christo

The Mermaid, the Witch, and the Sea

Maggie Tokuda-Hall

Into the Drowning Deep

Mira Grant

Tress of the Emerald Sea

Brandon Sanderson

When the Tides Held the Moon

Venessa Vida Kelley

Blackfish City

Sam J. Miller

The Deep

Rivers Solomon