Bound volume endorsed 'Aberystwyth Harbour Book, 1805' containing accounts, 1805-1807, of the sums paid to workmen who were responsible for the building of the pier at Aberystwyth, including labourers, joiners, smiths etc.

Crew accounts and agreements (generally known as crew lists) and logbooks, together with associated papers and correspondence, 1856-1914, for vessels registered at the port of Aberystwyth, Cardiganshire.