As the Canadian winter sets in, it’s the perfect time to immerse yourself in captivating underwater adventures from the comfort of home. Here are eleven must-watch scuba diving documentaries, blending timeless classics with recent releases, to inspire and entertain you during the colder months.
1. Last Breath (2019)
This gripping scuba diving documentary recounts the harrowing true story of commercial diver Chris Lemons, who was at a depth of 100 meters (328 feet) in the North Sea when his umbilical cable was accidentally severed during a saturation dive in 2012. With limited oxygen and no immediate hope of rescue, Lemons’ ordeal is a testament to human endurance and the perils of deep-sea diving. The film combines real footage with interviews, providing an immersive experience that keeps viewers on the edge of their seats.
Where to Watch: On Netflix
2. Diving Into the Darkness (2024)
Directed by Nays Baghai, this documentary delves into the life and expeditions of renowned cave diver Jill Heinerth. The 96-minute film features intimate interviews and animated flashbacks, offering insight into Heinerth’s motivations and the challenges she faces in the extreme world of cave diving. It’s a profound exploration of the human spirit and the allure of the unknown. Where to Watch: Visit Diving into the Darkness for the latest information on screenings.
3. Monty Halls’ Dive Mysteries:
The Curse of the Blue Hole (2013) Marine biologist and broadcaster Monty Halls investigates the enigmatic Blue Hole in Dahab, Egypt—a site notorious for its beauty and the numerous diving fatalities associated with it. Through expert interviews and dives, Halls seeks to uncover the reasons behind the site’s deadly reputation, providing a blend of adventure and investigative journalism. This documentary is both thrilling and educational, shedding light on the risks and wonders of one of the world’s most famous dive sites.
Where to Watch: On YouTube
4. Deep Wreck Mysteries (2006)
This series explores Britain’s vast underwater heritage, focusing on shipwrecks from World War I and II. Technical divers embark on perilous dives to uncover the secrets of these sunken vessels, providing historical context and personal stories associated with each wreck. The combination of underwater exploration and historical investigation makes it a compelling watch for those fascinated by maritime history and deep-sea diving.
Where to Watch: On YouTube
5. The Deepest Breath (2023)
This documentary offers an intimate look into the world of freediving, following the journey of champion diver Alessia Zecchini and safety diver Stephen Keenan. The film delves into the physical and psychological challenges of the sport, highlighting the deep bond between the two protagonists and the risks inherent in pushing human limits. It’s a visually stunning and emotionally resonant exploration of passion and peril beneath the waves.
Where to Watch: On Netflix

6. My Octopus Teacher (2020)
In this heartwarming documentary, filmmaker Craig Foster forms an unusual friendship with an octopus in a South African kelp forest. Through daily freedives, Foster observes the creature’s life, gaining insights into the intelligence and complexity of octopuses. The film is a profound meditation on connection, nature, and the lessons we can learn from the animal kingdom.
Where to Watch: On Netflix
7. Deeper: The Incredible Journey of the Deepest Scuba Dives in History (2021)
This documentary chronicles the daring exploits of pioneering deep-sea divers like Jim Bowden, Shek Exley, and Dave Shaw. Through archival footage and interviews, it explores the challenges and dangers of pushing the boundaries of human endurance in the quest to reach new depths. It’s a fascinating look at the evolution of deep trimix diving and the individuals who risked their lives to explore the unknown.
Where to Watch: On YouTube

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8. Chasing Coral (2017)
This Emmy-winning Netflix documentary captures the rapid bleaching and loss of coral reefs worldwide. It’s a stunning yet sobering reminder of the urgent need for conservation. The film follows divers, scientists, and photographers as they document these changes, making it a must-watch for ocean lovers.
Where to Watch: Netflix
9. Mission Blue (2014)
This inspiring film follows oceanographer Dr. Sylvia Earle as she advocates for marine protected areas, or “Hope Spots,” around the globe. With breathtaking underwater footage and an urgent conservation message, it’s a call to action for divers to protect the oceans.
Where to Watch: Netflix

10. Sharkwater Extinction (2018)
Canadian filmmaker and conservationist Rob Stewart, who tragically passed away in 2017, investigated the shark finning industry, exposing the ongoing threats to these apex predators. With stunning visuals and a passionate conservation message, it’s a must-watch for divers who care about marine ecosystems.
Stewart’s legacy lives on through his powerful documentaries, which have inspired countless divers and conservationists to take action to protect the oceans. His work remains a cornerstone of marine advocacy and a testament to his passion for the underwater world.
Where to Watch: Apple TV, Amazon Prime Video

11. Beneath the Blue (2022)
This lesser-known gem follows a team of divers exploring remote underwater caves and untouched reef systems in Papua New Guinea. It combines adventure and ecological awareness, showcasing the beauty of these fragile ecosystems.
Where to Watch: Vimeo On Demand
These documentaries offer a diverse range of experiences, from deep-sea exploration and commercial diving to heartwarming marine life interactions. As the snow falls outside, let these films fuel your passion for diving and marine conservation.
Kathryn Curzon, a dive travel writer for Scuba Schools International (SSI), wrote this article.
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