The discovery of alluvial diamonds in the 1920s transformed this remote stretch of coast from empty scrubland into a controlled zone. Mining companies established operations, and Alexander Bay grew into a company town where the rhythms of extraction dictated daily life. A security perimeter surrounded the settlement, and every vehicle and person entering or leaving was subject to search. The diamonds here are not found in deep kimberlite pipes but scattered through beach gravels and river sediments, deposited over millennia by the Orange River's relentless flow toward the sea. Although mining remains an important industry, the economics have shifted. The easy deposits are largely worked out, and the town's future increasingly depends on what its corporate and civic leaders hope will draw a different kind of visitor.

The wetlands at the mouth of the Orange River are the town's most significant natural asset, recognized under the Ramsar Convention as an internationally important habitat for migratory birds. The river's estuary creates a rare pocket of moisture in an otherwise desiccated landscape, attracting species that use the West African flyway. Flamingos, pelicans, and waders gather here in numbers that seem improbable given the surrounding aridity. Just offshore, a large seal colony occupies rocky outcrops, and on Thursdays visitors can join guided tours to watch and even feed them, though reservations must be made at least 24 hours in advance. It is a strange juxtaposition: one of the driest places on the continent nurturing one of its most vibrant concentrations of coastal wildlife.

Alexander Bay sits near the southern extremity of the Namib Desert, one of the oldest deserts on Earth. The landscape is not the towering dune fields of Sossusvlei further north but a flatter, gravel-strewn terrain where the colors shift from ochre to rust as the light changes through the day. The town lies 85 kilometers north of Port Nolloth along the R382, a road that traces the coast through some of the most sparsely inhabited country in South Africa. To the northeast, 95 kilometers away, the Ai-Ais Richtersveld Transfrontier Park straddles the border with Namibia, protecting a mountain desert landscape carved by the Orange River into the oldest exposed rock on Earth. The Living Museum in town preserves the cultural heritage of this borderland, where Nama pastoralists, diamond miners, and fishermen have coexisted in the shadow of the Namib for generations.

Alexander Bay is in transition, and the evidence is visible everywhere. The security infrastructure lingers as a reminder of the diamond era, but the town's energy now tilts toward ecotourism. Mining companies, local government, and residents have joined forces to promote the area's natural and cultural attractions. The town remains small, with about 1,700 people as of 2011, and its facilities are modest: a Sentra Weskus supermarket, a couple of ATMs, a private aviation airport. But there is something compelling about a place that spent a century hiding behind fences and is now, tentatively, inviting the world in. Whether Alexander Bay succeeds as a destination depends on whether travelers are willing to find beauty in austerity, to value the sound of wind over sand and the sight of a river completing its ancient course to the ocean.