Jumma Mosque is situated near Mankumban, Chatty beach, Velanai. The Masjid was initially constructed in the 16th century. According to certain historical records, a Muslim sailors, who came to Nainativu along with others were killed following their ship was capsized in 1572. Three bodies shored at the Nainativu beach and one shored at Mankumban beach. Another story says, he was alive at the time of reaching the beach and he was very pious man and later days he died. However, the shrine dated to 1572, still found near the Masjid. The Dead person`s name is written near the shrine as Sultan Abdul Cader. The Masjid was lastly constructed in 1965 by Meeran Mohideen and team.