Bikini Atoll (pronounced /ˈbɪk.ɨˌniː/ or /bɨˈkiː.ni/; Marshallese: Pikinni, [pʲi͡ɯɡɯ͡inʲːii̯], meaning coconut place) is an atoll in the Marshall Islands. The atoll consists of 23 islands totaling 3.4 square miles (8.8 km2) surrounding a deep 229.4-square-mile (594.1 km2) central lagoon at the northern end of the Ralik Chain (approximately 87 kilometres (54 mi) northwest of Ailinginae Atoll and 850 kilometres (530 mi) northwest of Majuro).