There is something about summer that begs for twisty secrets, shocking reveals, and a touch of danger. Maybe it is the long days that stretch into warm nights or the way summer heat makes everything feel just a little more intense.
Whether you are lounging by the pool, vacationing at the lake, or just trying to stay cool with the fan on full blast, these mystery and thriller picks are perfect companions. Each one is packed with suspense, unforgettable settings, and enough summer vibes to make you forget what time it is.
10 Summer Mystery & Thriller Books
Ready to get hooked? Here are 10 sizzling summer mysteries and thrillers that will have you reading way past your bedtime.

1. The House Across the Lake by Riley Sager
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Summer at the lake has never felt more unsettling. Casey, a recently widowed actress, retreats to her family’s lake house to escape the spotlight and deal with her grief. But her days spent spying on the glamorous couple across the water take a dark turn when the woman goes missing. The story twists in ways you will not expect, and the eerie lake setting adds just the right amount of chill to your hot summer night.

2. The Guest List by Lucy Foley
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A wedding on a remote island off the coast of Ireland sounds like a dream. But when the storm rolls in and a body turns up, the dream turns into a nightmare. This story bounces between multiple characters and timelines, creating a web of secrets, betrayals, and tension. It may not be set under a blazing sun, but the island vibes, crashing waves, and stormy skies give it a moody summer feel that pairs perfectly with a cocktail and a thunderstorm.

3. All the Dangerous Things by Stacy Willingham
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A hot southern summer. A sleep-deprived mother. A missing child. All the Dangerous Things is a haunting psychological thriller set in sweltering Savannah. One year after her toddler vanished from his crib, Isabelle is unraveling. She agrees to an interview with a true crime podcaster, but as memories resurface, so do disturbing truths. The sticky heat and eerie stillness of summer nights are the perfect backdrop for this slow-burning suspense.

4. Reckless Girls by Rachel Hawkins
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Get ready for a tropical getaway with a sinister twist. In Reckless Girls, six people travel to a remote island in the Pacific for what should be the adventure of a lifetime. Sun, sand, and no cell service sound like paradise until someone goes missing. This story oozes summer escapism with a strong sense of danger and distrust. It is like your favorite beach vacation with a side of murder.

5. Our Last Resort by Clémence Michallon
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Looking for a thriller set under the blistering desert sun? Our Last Resort takes place at the luxurious yet isolated Ara Hotel in Escalante, Utah, where Frida and Gabriel arrive hoping to reconnect after a painful tragedy. At first, the resort seems like paradise with its glittering pool and epic canyon views. But everything changes when a guest is found dead, and suspicion lands squarely on Gabriel. As the investigation heats up, Frida is forced to confront their shared past in a reclusive cult and the secrets they both tried to leave behind. With alternating timelines and heart-pounding suspense, this one will have you second-guessing everything and everyone. It is intense, layered, and absolutely impossible to put down.

6. One of the Girls by Lucy Clarke
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Sun, sea, and secrets collide in this Greek island thriller. A bride-to-be and her best friends head to a villa in the Aegean for a bachelorette party. What begins as a luxurious getaway soon turns toxic with jealousy, secrets, and simmering tension. The vivid setting and twisty plot will pull you in like the ocean tide. If you love the idea of beautiful backdrops hiding ugly truths, this one is a must-read.

7. The Hunting Wives by May Cobb
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Welcome to East Texas, where the nights are hot and the gossip is hotter. Sophie thinks she is moving to the suburbs for peace and quiet. Instead, she gets swept up in a glamorous and dangerous clique known as the Hunting Wives. But their secret meetings, wild parties, and deadly games turn out to be more than just fun and games. The humid southern summer is the perfect backdrop for this scandalous and suspenseful ride.

8. The Perfect Couple by Elin Hilderbrand
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Elin Hilderbrand is usually the queen of summer romances, but in The Perfect Couple, she dials up the drama with a wedding weekend turned murder investigation. Set on Nantucket in the middle of wedding season, this one has salty air, suspicious guests, and enough secrets to sink a yacht. It blends beachy charm with classic whodunit energy for a read that is both breezy and twisty.

9. Local Woman Missing by Mary Kubica
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Disappearing women. Creepy neighbors. Long-buried secrets. When a woman and her daughter vanish from a small suburban neighborhood, no one can figure out what happened. Years later, the daughter reappears, but her return only deepens the mystery. The story is tense, fast-moving, and full of jaw-dropping reveals. Though not set on a beach or island, it takes place during a sweltering summer in suburbia and captures the heat and pressure of the season perfectly.

10. Summer Rental by Rektok Ross
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Think I Know What You Did Last Summer (or Scream) meets Mean Girls, but at a remote lake house. A group of college friends heads off for a dreamy summer getaway in the mountains, but paradise turns deadly when one of them goes missing. Secrets unravel and trust shatters as the tension ratchets up with every turn of the page. Packed with teen drama, suspense, and shocking twists, Summer Rental is a chilling reminder that not everyone is who they seem. This YA thriller delivers big summer vibes and even bigger thrills.
Final Thoughts
There you have it. Ten sizzling, shocking, and totally engrossing mysteries and thrillers to pack in your beach bag or keep on your nightstand this summer. Whether you want the glamour of a destination thriller, the quiet creepiness of a lakeside cabin, or the heat of southern secrets, there is something here to satisfy every craving.
These books are perfect for lounging in the sun, listening to crickets on a humid night, or staying up way too late with a flashlight under the covers. Just be sure to keep your doors locked and maybe don’t trust anyone who offers you a secluded island getaway.
Happy reading and stay cool out there.
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