Buada Lagoon is a landlocked, slightly brackish, freshwater lake of Buada District in the island nation of Nauru. It is about 0.05sqmi.The average depth of the lagoon is 78ft and the maximum depth is 256ft. The lagoon is classified as an endorheic lake, in which there is no outflow to other bodies of water such as oceans or rivers.VegetationUnlike in many areas of Nauru, trees are in relative abundance in the vicinity of Buada Lagoon.