A public letter by the city's top bureaucrat says $57,100 was spent in-house as staff penned a dozen reports on the casino bid, while another $313,000 went to three consulting firms.
Joe Pennachetti's letter says internal spending in the year-long debate included some $36,000 in advertising, $12,200 for translation services and $2,800 on room rentals.
But the lion's share of the money went to consultants at Ernst & Young, DPRA and Environics, who performed economic research, helped with public consultations and conducted a telephone poll on the hot-button issue.
The letter was released Monday in response to a councillor's questions on casino-related spending.
Councillors rejected a proposed downtown casino last month in an overwhelming 40-4 vote — essentially quashing any possibility of building such a project in the near future.