Mrs. Watson's Monument is dedicated to Mrs. Watson, who survived an aboriginal attack on Lizard Island, to die later on Number 5 Island of the Howick Group.
The wife of a beche-de-mer fisherman, Captain R.F. Watson, she remained on their fishing station with her infant son and two Chinese servants while he was away fishing. In September 1881 they were attacked by Aboriginals. One of the servants was speared, but Mrs. Watson and her infant son and remaining Chinese servant escaped in a boiling down tank to Number 5 Island. Due to dehydration, as there was no fresh water, they finally perished. Their remains, together with her diary, were found in 1882.
In commemoration of this event, this monument was erected and at one time was used as a water fountain for the people of Cooktown, so that everyone could rehydrate themselves.