The Connecticut Convention Center has six hotels less than 1 mile away and serviced by the free Hartford Dash shuttle, which runs every 15 minutes, 7am-7pm on weekdays.
The Hartford Marriott Downtown is the preferred conference hotel as it is just across the street from the Convention Center and is connected by a bridge and tunnel. Use this link for reservation at special rate (available until Sept. 18)
Other hotels served by the free Dash bus and within walking distance are:
Other hotels within walking distance (a nice walk across the bridge):
Low-cost hotels served by City Bus (walking not advised, bus every 30 minutes at peak hours, every hour off-peak):
Many more hotels available in the area if you have a car or are willing to take Taxi/Uber/Lyft (not possible to walk as several areas do not have a sidewalk).