Whether you're headed to the beach or learning about the sea, these nine ocean-themed picture books offer thrilling stories, gentle reflections, and stunning undersea worlds. With a mix of new releases and enduring classics, there’s something for every young explorer.
1. Lighthouse Ladies (2025)
By Kris Coronado, illustrated by Islenia Mil
Meet the real women who kept the lights shining through storms and danger. A nonfiction celebration of bravery with gorgeous illustrations.
2. Hot Dog (2023 Caldecott Medal Winner)
By Doug Salati
An overheated dachshund escapes the sweltering city and finds peace by the ocean. A joyful story that celebrates rest and renewal at the shore.
3. Over and Under the Waves (2022)
By Kate Messner, illustrated by Christopher Silas Neal
A family kayaking trip reveals the hidden world beneath the waves—kelp forests, sea otters, jellyfish, and more—in this beautifully lyrical and educational journey.
4. Whales in the City (2025)
By Nancy Castaldo, illustrated by Chuck Groenink
Based on a true story, this book tells how whales returned to New York Harbor thanks to conservation efforts. A hopeful eco-story that shows kids they can make a difference.
5. If You Lived in the Sea, Who Would You Be? (2025)
By Julie Honan Johnston, illustrated by Meg Sodano
With animals grouped according to opposite traits and shared characteristics, this rhyming adventure inspires readers to imagine what it would be like to live in the sea.
6. Giant Squid (2016)
By Candace Fleming, illustrated by Eric Rohmann
This nonfiction wonder introduces kids to the mysterious deep-sea creature through poetic text and haunting art.
7. Big Book of Sea Creatures (2024)
By Minna Lacey
Big fold-out pages feature whales, sharks, and sea turtles—perfect for fact-loving kids who want to learn just how BIG ocean giants really are.
8. Don't Trust Fish (2024)
By Matt Myers
A hilarious, offbeat picture book full of visual jokes, unexpected twists, and one very mischievous fish. Plus some actual fish facts!
9. The Biggest, Highest Wave (2025)
By Kerry McQuaide
In this rhythmic, empowering story, a young girl paddles into one of the world’s largest waves. A tribute to courage and nature, and a Junior Library Guild Gold Standard Selection. There is a non-fiction author’s note with an explanation of why the waves are so big in Nazaré, Portugal.
