Yes, swimming with manta rays in Bali (typically at Manta Point off Nusa Penida) is considered very safe for humans. Manta rays are "filter feeders" that eat plankton; unlike their cousins the stingrays, mantas do not have a venomous stinger on their tail and are not aggressive toward people. They are known for being curious and gentle giants, often gliding within inches of snorkelers. In 2026, the primary "danger" isn't the rays themselves, but the ocean conditions. Manta Point is known for its strong swells and powerful currents, so it is vital to go with a reputable boat operator and wear a life jacket or wetsuit for buoyancy. From a conservation standpoint, safety also involves the rays' well-being: visitors are strictly instructed not to touch or chase the animals, as this can damage the protective mucus layer on their skin. By respecting the rays' space and following professional guide instructions, a manta encounter in Bali is a safe and awe-inspiring highlight of any Indonesian trip.