They were part of 595 staff elevated.
A board meeting presided over by the chairman, Asita O. Asita, approved the promotion.
A breakdown shows that nine Deputy Directors were elevated to substantive Directors on Grade Level 17.
Forty-five Assistant Directors were promoted to Deputy Directors; 71 Grade Level 14 officers were promoted to Assistant Directors.
The new directors are the Head, ISPS Unit, Jidda Aishatu; Head, Marine Accident Investigation Unit, Egbuche Rita; Head, Eastern Zone, Audu Sani; Head, Internal Audit, Olamide Odusanya; Head, HSE Unit, Anselm Nwanze.
Others are Head, Legal Services Unit, Egejuru Victor; Head, SERVICOM, Bolaji Kehinde; Head, Reform Coordination Unit, Kabiru Murnai; and Head, Marine Environment Management Department, Felicia Mogo.
NIMASA spokesman, Phillip Kyanet, is among the newly promoted Deputy Directors.
The Director-General, Bashir Jamoh, charged them to bring their wealth of knowledge and experience to bear on their new positions.