The Coastguard responded to 2,627 incidents last year.
The fleet was involved in responding to emergencies involving fishing craft, leisure vessels and mountaineers.
The figures have been released as the Coastguard launches it new state of the art S92 helicopter for the Dublin region.
The new helicopters have allowed the them to expand their role in providing emergency medical transport for the HSE.
Last year there were 253 aeromedical missions and 159 offshore island medical evacuations.