Book Series · 3 Books

Seashell Key Books

In order from Seashell Key to The Lucky Day (Seashell Key #3): A Chapter Book.

The Seashell Key series is a set of 3 chapter books by Lourdes Heuer, published between 2024 and 2025. Written for ages 4–8, most books run about 80 pages.

The Monster Storm (Seashell Key #2): A Chapter Book

The Lucky Day (Seashell Key #3): A Chapter Book

Where the story begins

First Book in the Series

Sale price

$1398

Book #1 · Chapter Book · Ages 5–8 · 2024

Seashell Key

By Lourdes Heuer, Lynnor Bontigao (Illustrator)

Kids in a seaside town embark on summer adventures, welcoming visitors with creativity and charm.

80 pages

$14.99Save 7%

Hardcover

Summary: In the seaside town of Seashell Key, summer brings adventure for Mateo, Sasha, Sophia, and the lighthouse trio. As they welcome visitors, their creativity and stories turn the town into a vibrant oasis. What surprises await in this charming coastal community?

In reading order

Seashell Key Series

3 books · Published 2024–2025

#1 in Series

Sale price

$1398

Seashell Key

Chapter Book · Ages 5–8 · 2024

Kids in a seaside town embark on summer adventures, welcoming visitors with creativity and charm.

#2 in Series

Sale price

$1398

The Monster Storm (Seashell Key #2): A Chapter Book

Chapter Book · Ages 5–8 · 2025

A storm threatens Seashell Key. Can the kids find Pixie before the island's monster does?

#3 in Series

Sale price

$1398

The Lucky Day (Seashell Key #3): A Chapter Book

Chapter Book · Ages 4–8 · 2025

A secret map leads kids on a treasure hunt before spring break.

Good to know

Common Questions

How many books are in the Seashell Key series?

There are 3 books in the Seashell Key series. It began with Seashell Key in 2024, and the newest book, The Lucky Day (Seashell Key #3): A Chapter Book, was published in 2025.