Castle Forbes was a merchant ship built by Robert Gibbon & Sons at Aberdeen, Scotland in 1818.

[6] 1st convict voyage (1819–1820): Castle Forbes was under the command of Thomas Reid and surgeon J. Scott, when she departed Cork, Ireland on 3 October 1819.

[9] Castle Forbes departed Port Jackson on 15 February 1820, for Hobart Town with 180 male convicts.

On 8 May 1821 Castle Forbes, Reed, master, grounded three times on the Goodwin south sand head, damaging her rudder.

[15] Castle Forbes left Port Jackson on 11 March 1824 bound for Isle de France.

[18] One week later she had completed her repairs and she sailed out to the Motherbank where she awaited a wind in order to resume her voyage.

Her crew had been living in the vessel''s roundhouse and were short of water and provisions before Castle Forbes and Malay came by and assisted her.

Castle Forbes was sailing from London and Madeira to Madras when she had to put in at the Cape of Good Hope on 15 April 1826.

[21] The next report was that she was discharging her cargo into Coventry, Purdy, master, and was expected to be found unworthy of repair.

On 3 June Coventry, Purvis, master, was waiting for Castle Forbes to be heave down to be repaired.