Build your own stabilizer system for the too small dink. I took a Jon boat (flat bottomed) that had a loaded capacity of 225 lbs (I weighed 345 at the time) and built pontoons out of pvc (4") and framed them onto the boat using plumber's tape and a little JB weld (marine tec will work as well). It might have looked funny
- I say might as the first launching found local fisherman on the lake where we launched laughing at us to shame until we came back with limits of trout two hours later - now we were being asked where they could get one. I said us as my nephew who weighed 300 lbs was hesitant about boarding from the dock
(remember the load sticker said 225 and with his weight, mine and our tackle, trolling motor
, poles and battery
we now ran over 700 lbs). With the double pontoons, the exta weight didn't even have an affect - so sturdy we could stand in it. And, any thoughts of it being slowed by the pontoons being capped at the ends, no problem. After the initial voyage, we used it many times in the bay's and marinas
for my wife to lookie-Lou at boats there (she too is a non swimmer and I require a life vest. Oh, just to finish the tale, after several bouts with cancer and a quadruple bypass, I am down at 215 and the wife is still quite limber even though we are in your age bracket. I must say she is sometimes dangerously daring and absolutely loves boat life so some of your wife's fears do not apply to her. When I last moved, I left the Jonpon with a friend (6'6" and 340 ish and he runs around the local lakes with his grandson). It is easy enough to do, and allows the stability to keep you from turtling again. If you are hoping the wife may go with again, great if not, think about the battery
you self, rougher conditions and, perhaps even your own age, agility and peace of mind. If you are interested, let me know and I can give you more specifics on "how to".