Two Australian Navy vessels have steamed into Mackay Harbour.

HMAS Diamantina is in port until Tuesday, April 26 and the crew will participate in Anzac Day ceremonies and activities in Mackay and Sarina.

HMAS Tarakan is a Landing Craft Heavy (LCH) and is expected to depart some time this evening. The vessel stopped in Mackay to pick up supplies.

A civic reception will be held for the crew of Diamantina at the Mackay Surf Club at 5.30pm today.