The reef off Bengkak was once fished with cyanide and homemade bombs. By the mid-2000s, surveys along this stretch of the Wongsorejo coast recorded live coral cover in the single digits, the fringing reef reduced to grey rubble and sand. The water that now anchors snorkeling banyuwangi bangsring itineraries was, within living memory, close to dead. The reversal began in 2008, when a group of local fishermen organised themselves under the name Samudra Bakti and declared a voluntary no-take zone of roughly fifteen hectares in front of their village. They sank concrete frames and biorock structures. They wired Acropora fragments onto the steel and waited. Nets were surrendered, compressors abandoned, and men who had supplied ornamental fish to the aquarium trade began selling boat seats instead. Visitors who hold snorkeling banyuwangi bangsring tickets today — the entrance ticket fee runs 10,000 IDR per person — swim above a reef rebuilt by the hands that broke it. Pulau Tabuhan sits a short crossing offshore, a low sand cay of some five hectares in the Bali Strait, uninhabited and ringed by white sand. Its name is usually traced to tabuh, the Javanese verb for striking a drum, after the sound the wind makes in the casuarina scrub. The strait itself is the engine of the place: a narrow channel between Java and Bali that pushes cool, plankton-heavy water north and keeps the fringing coral fed. The same current makes the island a fixture on the regional kiteboarding calendar. Most snorkeling banyuwangi bangsring tours run the crossing from the Bangsring jetty, and Pulau Tabuhan reef excursions are often paired with Menjangan Island further south. What distinguishes Bangsring Underwater, as the conservation site is formally known, is that the science never left. The Rumah Apung — a floating house moored above the protected zone — holds pens for rescued blacktip reef sharks and doubles as a field classroom for university groups from Malang and Surabaya. Coral monitoring plots are mapped and numbered. The village cooperative publishes its own counts. Set against the wider marine corridor running from Baluran National Park to the West Bali reefs, this remains a small site with an outsized record among Banyuwangi's marine landmarks, and the durable appeal of snorkeling banyuwangi bangsring lies in that documentation: a reef you can read, nursery frame by nursery frame, as a record of what one fishing village decided to stop doing.