Holy Island, Anglesey Rhoscolyn, and Four Mile Bridge. Around of the Anglesey Coastal Path is on Holy Island. Peripheral islands and stacks include North Stack, and South Stack, with its famous lighthouse. Before – and even after – the construction of lighthouses, the cliffs and jagged rocks of the island were a great danger to sailors. Holy Island, Anglesey Holy Island (, 'the island of (Saint) Cybi') is an island () on the western side of the larger Isle of Anglesey, Wales, from which it is separated by a narrow, winding channel. It is called "Holy" because of the high concentration of standing
North West Island island is dominated by dense Pisonia forest. North West Island is an important nesting ground for seabirds and turtles. As many as 500,000 seabirds habitat the island at any one time. Seventy per cent of the total breeding population of wedge-tailed shearwaters on Australia's east coast nest on the island. The Capricorn silvereye, a small bird endemic to the southern Great Barrier Reef, is found on the island. The green sea turtle and the endangered loggerhead sea turtle nest on the island between November and February. Because of these important rookeries the size of nesting populations is monitored on an