There are several hotels within the area that can accommodate any overnight stays including:
InterContinental Toronto Centre - 225 Front Street West
This hotel is conveniently attached to the Toronto Metro Convention Centre.
416-597-1400
1-800-422-7969
http://www.torontocentre.intercontinental.com/tracking/click-reservation.aspx
The Fairmont Royal York - 100 Front St W
416-368-2511
1-800-257-7544
http://www.fairmont.com/royalyork
Renaissance Hotel at Skydome - 1 Blue Jays Way
416-341-7100
1-800-237-1512
http://www.marriott.com/hotels/travel/yyzbr-renaissance-toronto-hotel-downtown