Action cameras have become essential for scuba divers, especially with the popularity of 4K video. Some of the top models for 2025 include the GoPro Hero13 Black, which offers great video quality, and the DJI Osmo Action 4, known for its image stabilization. The Insta360 X4 stands out for its 360-degree shooting capabilities. Other options like the Sealife Micro 3.0 and AKASO models provide solid performance at various price points. When choosing a camera, consider factors like resolution, battery life, and depth ratings for underwater use.