Is the mayflower worth it?

For people that have already bought the mayflower is it worth the 100 donuts? I know it give 3% and goes on the water but are there any tasks for it that pay premium or is it simply an expensive decoration? I'll probably buy it anyway because I've wanted another boat for awhile but 100 donuts for 3% is crazy when 1 balloon costs 25 and gives you 2%