The Japanese government is to provide a naval craft and training to Sri Lanka, the Daily Mirror reported.
The announcement came as the Japanese vice minister of defence, Hiroyuki Miyazawa visited the island, attending the 'Japan-Sri Lanka Defence Cooperation Dialogue 2016' in Colombo.
"Japan would extend its fullest support to boost defence cooperation between both countries and to strengthen maritime security of Sri Lanka," Mr Miyazawa reportedly added.
Sri Lanka's state minister, Mr Wijewardene said the visit by the Japanese official would "further strengthen bilateral defence ties between the two nations."