Using the figure 8 method is an insanely easy way to draw a boat quickly and accurately. Here is a video that explains it How to draw a boat using the figure 8.
I was watching Richard's Mastering Sunsets video and in one of his demos he paints a boat. Since he did not use the figure 8 method I thought there might be people that don't know about it.
Check it out if want to find out more.