Toronto 1Thousand Bay | 104.85m | 32s | Cresford | a—A

That's 880 Bay St.

The site likely won't see any changes in the immediate future.

Eventually, it will likely be an office tower which will be used to consolidate government offices.

It would be extremely unlikely that the Ontario government would sell the property because it would make the OPP's security tougher by breaking up the block.
^Probably not as interesting as the retail along Harbord
This one was such a pleasant surprise. I find myself clicking on all of the updates just to see how it's coming along.