Menjangan Island sits three kilometres off the northwestern tip of Bali, a forested limestone outcrop ringed by some of Indonesia's most intact shallow reefs. The island and its surrounding waters fall within West Bali National Park, established in 1941 as the island's first protected zone and extended offshore in 1984 to safeguard seventeen dive sites and twice as many snorkeling corridors. Visibility here routinely exceeds twenty-five metres. The Bali Strait funnels nutrient-rich currents between Java and Bali, sustaining hard coral cover that reaches seventy percent in surveyed quadrants—a figure unmatched anywhere else on the island's coastline. The reef architecture varies by cardinal point. Pos II, the park's northeast mooring, drops along a sloping wall decorated with table coral, staghorn thickets, and barrel sponges the size of oil drums. Garden Eel Point lives up to its name: hundreds of spotted garden eels sway above sand channels between coral heads. Anchor Wreck lies in twelve metres of water off the island's west flank, its iron frame now a scaffold for soft coral and resident barracuda schools. The wreck is a wooden-hulled cargo vessel that sank in the late nineteenth century; only the anchor, chain, and ballast stones remain legible today. Snorkeling tour Menjangan Island excursions launch from Labuhan Lalang, the park's sole jetty, twenty minutes north of Pemuteran village. Outrigger boats cross the channel in fifteen to twenty minutes depending on swell. Most operators anchor at two or three sites per trip, rotating between shallow gardens suitable for first-timers and deeper drop-offs where the reef plunges to forty metres. The park enforces a no-touch policy; rangers patrol moorings daily and levy fines for anchor damage or coral contact. Surface water temperature holds between twenty-seven and twenty-nine degrees Celsius year-round. Plankton blooms occasionally reduce visibility during the northwest monsoon—December through February—but the reefs themselves remain sheltered by the island's bulk and the mainland's proximity. Marine census data from the park authority lists three hundred ninety-six recorded fish species within the reserve, among them bumphead parrotfish, blacktip reef sharks, and napoleon wrasse exceeding a metre in length. Turtles—green and hawksbill—feed on sponges and soft coral throughout the shallows. The island itself is uninhabited. A small Hindu temple, Pura Gili Kencana, stands above the eastern beach; pilgrims arrive by boat during Galungan and Kuningan ceremonies, but the island otherwise remains the domain of Javan rusa deer, long-tailed macaques, and over a hundred bird species catalogued by the park's ornithology unit.