Bileddhoo Old Mosque has an unclear date of construction, but it is an old coral stone mosque that continues its use till today. The mosque does not have fine ornamentation in terms of coral carvings and lacquer work and has been remodelled extensively. It has a prayer hall, Mihrab chamber, fenda on three sides, one entrance stair, tiered roof, simple coral base and coffered ceiling. The mosque complex has the mosque building, a coral stone well and few large coral tombstones.