Here’s a fascinating list of Maine’s biggest lakes, along with the geologic history and recreational opportunities. Suffice it to say that iceboating is not one of the winter sports listed.
https://www.lakelubbers.com/maine-largest-lakes-in-maine-acres-L30-C1/
Looks like less than freezing temps have decided to hang around a bit longer. Perhaps they feel nervous migrating south the way they usually do at this time of year. Can’t say I blame them…
Chickawaukie Ice Boat Club 
“China Lake is less than 20 miles northwest of Augusta, Maine’s state capital.” says this website. Try northeast LakeLubbers — perhaps the Virginia based publishers have never been to Maine.
I just read Meteorologist Larry Cosgrove’s weekly long range outlook — he feels it will be a mild December and it may be mid-January before we see any “truly frigid” weather east of the Rockies.