The Portuguese built the Zavora lighthouse in 1910 to guide ships along a stretch of coast where the shoreline bends sharply between Mozambique's central and southern regions. The 53-foot round tower, painted white, adjoins a single-storey keeper's house and sits on grounds still open to the public. Its lantern was removed in 1995 during a restoration that reactivated the light after years of disuse following the Mozambican Civil War. The tower is one of the few remaining operational lighthouses on this coast. Locals speak Chopi as their primary language, with Shangaan and Portuguese also common. English arrives mostly with the lodges and dive operators who have set up along the beach. Most residents make their living from fishing and farming small crops, much as they did when the lighthouse keepers first moved in.

On November 15, 1939, the German pocket battleship Admiral Graf Spee was prowling the Indian Ocean on a commerce raiding sortie that would end, a month later, in the famous scuttling at Montevideo. Ten nautical miles south-southwest of the Zavora lighthouse, the Graf Spee intercepted the coastal tanker Africa Shell, a small vessel of 706 tons heading south toward Lourenco Marques. She became the raider's sixth victim. Captain Langsdorff had brought the Graf Spee around the southern tip of Africa specifically to create confusion about his location, sinking ships in the Indian Ocean before doubling back to the South Atlantic. The Africa Shell's position at capture -- roughly 24 degrees 48 minutes south, 35 degrees 01 minutes east -- placed her uncomfortably close to the coast of neutral Portuguese Mozambique. The Germans maintained they were outside the three-mile territorial limit. The tanker's captain disputed the claim.

Zavora has given its name to a creature found almost nowhere else. The Zavora pipefish, Halicampus zavorensis, belongs to the family Syngnathidae -- the same family as seahorses -- and is known from just three specimens: one collected here and two from Sur, Oman. The reef system that shelters this species is the same one that draws South African holidaymakers during school breaks, when Zavora fills with families snorkelling over coral heads and diving the deeper walls offshore. Old Portuguese-era buildings, left behind after Mozambique's independence in 1975, now serve as accommodation run by a local lodge. The name Zavora itself remains a mystery. Maps sometimes call the area "Ponta de Zavora" or "Praia de Zavora." The word appears as a surname in some languages, so the place may simply be named for someone long forgotten.

In January 1953, a Dutch liner struck a submerged obstacle five miles from Cape Barra, near Inhambane. South African news reports referred to the location as Cape Zavora, and doubted the official explanation of a submerged reef -- the word "obstacle" carried implications of something more deliberate. The waters off this coast hold the accumulated debris of centuries of Indian Ocean trade and twentieth-century warfare. For the divers who now come here, the reef itself is the attraction: hard and soft corals, tropical fish, and the occasional manta ray drifting through visibility that can reach 20 metres on a good day. The lighthouse continues its ten-second pulse overhead. Whatever else changes along this coast, the light keeps its rhythm.