Many doodles do shed, so be careful there. Find a good, reputable breeder if you decide to go that direction.
James, I got one of these for my dog, and tho it may be kinda clunky to find a spot aboard for it it does last most of the day for keeping cool:
ChillSpot by LayRay | The Coolest Dog Bed
Note: No, I haven't had this on my boat, I just wanted to pass it along.