Stoddart Cottage is located in Diamond Harbour, New Zealand. Built in time for the wedding of his owner, Mark Stoddart, in February 1862, it was the birthplace of artist Margaret Stoddart. Stoddart Cottage is the oldest building in Diamond Harbour. On 15 February 1990, the building was registered by the New Zealand Historic Places Trust as a category I heritage structure, with registration number 3088.