Experience the breathtaking beauty of the world’s most biodiverse waters. From the vibrant coral gardens of Nusa Penida to the legendary currents of Komodo National Park, Semeru Travel brings you closer to the heart of the Coral Triangle. Whether you are a first-time snorkeler or a seasoned ocean lover, our guided expeditions offer a front-row seat to Indonesia’s majestic marine life.
Indonesia is home to 75% of the world’s coral species. At Semeru Travel, we don’t just take you to the beach; we curate immersive maritime experiences that prioritize safety, sustainability, and awe-inspiring encounters.



Join us in the Gili Islands for a guaranteed chance to swim alongside majestic Green Sea Turtles. This place offers a perfect blend of lively island culture and serene underwater sanctuaries, where thriving seagrass meadows and the iconic “Nest” underwater statues create a snorkeling experience unlike any other.









Absolutely. Our tours are beginner-friendly and led by certified guides who provide a full safety briefing and equipment orientation before you enter the water. We also provide high-quality life jackets and flotation aids to ensure you feel buoyant and secure.
We recommend bringing swimwear, a change of clothes, eco-friendly (reef-safe) sunscreen, a towel, and a waterproof bag for your belongings. If you have your own prescription mask, feel free to bring it, though we provide standard high-quality gear.
You can simply contact us via our website or email, and our travel consultants will guide you step-by-step.
Yes, all our packages include the rental of a mask, snorkel, and fins. We ensure all equipment is professionally sanitized after every use.
While snorkeling is possible year-round, the peak season for water clarity and calm seas is during the dry season, from April to November. Visibility during this time often exceeds 20 meters.
Safety is our top priority. If the harbor master or our guides determine that sea conditions are unsafe due to weather, we will offer to reschedule your trip or provide a full refund.