Looking into a used older model boat that would make the " almost perfect " dive boat..I've looked at Bayliners, Sea Rays, SeaHunts, etc..Ive been looking in the 25-30 foot range as most of the diving would be offshore about 8-10 miles out, so would have to be able to handle the seas. Not many models offer the walk thru transom or a great swim platform. Prefer a cabin type boat as well...a lot of the ocean rated boats have the outboard motors which are a pain for diving, especially if the seas are rough..so any tried and true suggestions out there ?