He said disasters like the MV Butiraoi sinking are waiting to happen, have happened before and are likely happen again.
At least 80 people are missing presumed dead after the ferry sank last month en route from the island of Nonouti to Tarawa.
Dr Nuttall said systemic issues have to be addressed including the lack of investment and more renewable energy funding earmarked for maritime transport.
He pointed out that maritime transport is a public good in the far flung islands of the Pacific.
