The Mental Island
In the open waters of the Baltic Sea, far from the noise of everyday life, Karl Palmqvist embarks on a swim that is as much about healing as it is about endurance. This is not just an athletic challenge—it’s an exploration of the mind, identity, and the deep connection between nature and mental well-being.
At just 22 years old, Karl has already lived a lifetime of high-performance pressure, sacrifice, and emotional turmoil. A former elite swimmer, he grew up in Shanghai and Hong Kong, where the pursuit of excellence in sports became his identity, his purpose—and his prison. Trained to push his body to the limit, Karl never learned how to rest, how to feel, or how to ask for help. Until now.
This swim is Karl’s reckoning with himself. With each stroke, he confronts the shadows of his past—depression, loneliness, self-doubt—and reclaims his life through the rhythm of the sea. His journey is not just about physical endurance but about finding balance, grounding himself in nature, and redefining success on his own terms.
Alongside world-class open-water swimmers and mental resilience experts, Karl explores the science and spirituality of swimming, tapping into Qigong, Tai Chi, and breathwork—ancient techniques he learned growing up in China that now serve as tools for healing.
Gotland’s dramatic limestone cliffs, vast horizons, and untamed waters form the perfect backdrop for Karl’s transformation. More than just a setting, the island becomes a silent therapist, forcing him to confront his limits while offering a sense of peace that only wild nature can provide.

Karl Palmqvist, a former elite swimmer, has navigated a journey shaped by both triumph and struggle. Growing up in Shanghai and later Hong Kong, he found his identity in the water, competing in swimming and triathlon. But after years of rigorous training, injuries, and battles with mental health, he stepped away from competitive sports. His journey of self-discovery led him to reconnect with nature, embrace new perspectives through Qigong and Tai Chi, and redefine his relationship with swimming—not as a pursuit of achievement, but as a source of healing and balance.

Andy Donaldson, a three-time world record holder and 2023 "Man of the Year" and "Performance of the Year" honoree by the World Open Water Swimming Association, will mentor Karl in his swim preparations. A dominant force in open water swimming, Andy made history by completing the Oceans Seven challenge in just 355 days—the fastest ever—setting multiple records along the way. His journey is also a testament to the power of water as a healing medium, raising awareness for mental health and the therapeutic nature of endurance swimming—an ethos that deeply resonates with Karl’s own path.

In June 2024, Karl stood in the waters of Djurgården, his mind echoing a single word: Gotland. That moment sparked an idea—one that would become Mental Island, his project intertwining endurance and mental health awareness. With months of planning, reflection, and recovery from knee surgery, Karl shaped a challenge that wasn’t just about physical endurance, but about creating a dialogue on mental health in sports. His goal is to show that training should nurture both body and mind, fostering a culture where athletes feel safe to express their struggles and seek support.
Logline: "The Mental Island" follows Karl Palmqvist, a young former elite swimmer who embarks on an extraordinary journey to swim around Gotland. Once burdened by self-doubt and mental health struggles, Karl reclaims his love for the water—not as a competitor, but as someone seeking connection, healing, and hope. Supported by world-class athletes, a dedicated coach, and a therapist, he discovers that true strength isn’t just about endurance but about embracing vulnerability and finding joy in the challenge.
Synopsis: At 22, Karl Palmqvist has already lived a lifetime in the water. Growing up in Shanghai and Hong Kong, he chased swimming dreams at the highest level, only to find himself lost when the sport became tied to self-doubt and identity struggles. Stepping away was necessary—but the call of the water never left him.
Now, Karl is returning to swimming on his own terms, setting out on an awe-inspiring challenge: to swim around Gotland. It’s an immense test of body and mind, but it’s more than just a physical feat—it’s a journey of reconnection. Karl isn’t alone this time.
By his side are:
For 15 days, Karl pushes through exhaustion, swimming up to 20 kilometers a day. But something shifts with each stroke—he begins to truly feel the water again. The sea is no longer an arena for competition, but a companion, a place of release and rediscovery. Through the support of his team, the raw power of nature, and the simple joy of moving forward, Karl learns to quiet his inner critic and embrace the moment.
No matter the outcome, "The Mental Island" is about something greater than the swim—it’s about proving that no one has to navigate struggle alone. In an age of loneliness and distraction, Karl’s journey is a beacon of hope, reminding us that healing happens in movement, in connection, and in choosing to keep going.
Target Audience: Athletes, mental health advocates, and anyone searching for inspiration through resilience and personal growth. This film speaks to those who have ever felt lost, highlighting the power of nature, human connection, and perseverance in overcoming self-doubt.
Visual Style: A breathtaking visual experience blending serene beauty with raw endurance. Stunning underwater and aerial shots capture Gotland’s wild enchanting landscapes, contrasting the serene beauty with the grueling challenge of swimming. Intimate interviews and reflections bring viewers deep into Karl’s journey. Each stroke, each wave, and each moment of struggle and triumph is felt—immersing the audience in a story that’s as much about mental strength as it is about the physical challenge.
"The Mental Island" is not just a story of physical endurance; it is an emotional expedition that addresses the complexities of mental health, resilience, and the beauty of rediscovering one's passion. It inspires audiences to confront their battles and understand the importance of connection—both with themselves and the world around them.
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Anders Klapp
Producer/Director
+46 706 21 15 00
anders@klapp.se
Robin Trygg
Producer
+46 70 401 89 61
info@robintrygg.com
Frederic Liberman
Producer
+46 70456 94 45
fredericliberman@gmail.com
Agnes Klapp
Director/Editor
+46 701 64 63 25
agnes@klapp.se