Koagannu is the oldest cemetery in the country where important personages have been entombed. Tomb Stones in this cemetery shows the craftsmanship and the creativity of the early inhabitants of this island.

Located in the middle of the island is a lake-like muddy area comprising of many small fresh water ponds with species of fresh water fishes.

It’s a historical site which has folk-lore connections of Pre-Islamic era. During the Second World War the British forces built bunkers and used this area as a staging post, whose ruins still exist.