Yeah, I think with a bit larger trailer it can be done. I don't feel I really need a double axle trailer for this. I would prefer not to have a double axle trailer actually....
You see 18-21ft fiberglass boats weighing 2000-2500lbs on single axle trailers. I understand the new ones have brakes, but a surge brake setup would not be hard to install. I also question the necessity of brakes when the whole setup will most likely weigh less than 2000#.
I have been hauling an aluminum boat that weighs close to 1500# w/o brakes and my 1/2 Ton Silverado has never had an issues.