When two boats share the same hull type — in this case both the Gulf Coast Boats 220 Bay Kat 2010 and the Gulf Coast Boats GC 230 PRO 2008 are tunnel designs with fiberglass construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
Both boats share a closely matched power ceiling — 225 hp for the Gulf Coast Boats 220 Bay Kat 2010 and 225 hp for the Gulf Coast Boats GC 230 PRO 2008. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.
For family outings this is probably the sharpest distinction between the two. The Gulf Coast Boats GC 230 PRO 2008 is rated for 7 passengers, while the Gulf Coast Boats 220 Bay Kat 2010 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Gulf Coast Boats GC 230 PRO 2008 could be the deciding factor.
Bottom line: Choose the Gulf Coast Boats GC 230 PRO 2008 if your priority is putting more people on the water — it handles 7 passengers and at 22,0 ft it has the deck room to back that rating up comfortably. The Gulf Coast Boats 220 Bay Kat 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.