Direction Island is an uninhabited coral islet in the Cocos (Keeling) Islands, with 300 metres of white beach and no way to arrive except by boat. There is no airstrip and nobody lives here. The ferry comes across the lagoon and ties up at a stilted jetty, the water under it clear enough to lay the shadows of the pylons on the sand. The reason to come is a current. The flooding tide drives the open ocean through the gap between this island and the next one, and you get in at the top of it and let go. It sweeps you over the drop-off, past blacktip reef sharks holding into the flow, schooling trevally and the occasional turtle, and spills you out into the shallow lagoon. Swimming back up it is not an option; you walk back along the sand and do it again.
Behind the beach, thatched pondok shelters stand in the shade, each one first-come and free, with a wood-fired barbecue nearby. Nothing at all is sold on the island. The green turtles grazing the seagrass are not passing through: they are a breeding stock of their own, here in every month of the year. A track leads off the sand into a dense stand of coconut palms, cool and quiet a few steps back from the glare. It passes what is left of a telegraph cable station and a slipway from the years when flying boats used the lagoon. The station is why anyone ever fought over this island. In 1914 the German raider Emden put fifty men ashore to destroy it, and HMAS Sydney caught the Emden offshore and shot it to a wreck. The landing party was still on the beach. Rather than surrender they seized a 97-tonne schooner lying in the lagoon and sailed her to Sumatra, crossed to Arabia by steamer, and pushed overland through the desert to Constantinople the following year. Three of them did not make it.