Originally the sink was outboard and the stove was a 2 burner alcohol. I moved the sink as far as I could inboard. I agree it's not ideal but it works. I generally wash up when the stove is off. The pic below shows how it was. The raised base was no good for standing on due to a lack of headroom so you had to lean outboard. It is a big improvement. I stand with my left foot on the raised base when using the sink usually.
The stove is a huge improvement as well.
Living aboard in Victoria Harbour