The Robalo 246 Cayman 2019 vs Robalo 305 Open 2014 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
Both boats share a closely matched power ceiling — 300 hp for the Robalo 246 Cayman 2019 and 300 hp for the Robalo 305 Open 2014. 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. Fuel capacity breaks the other way: the Robalo 305 Open 2014 carries 284 gallons versus 9 gallons in the Robalo 246 Cayman 2019. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Robalo 305 Open 2014 is rated for 9 passengers, while the Robalo 246 Cayman 2019 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Robalo 305 Open 2014 could be the deciding factor.
Bottom line: Choose the Robalo 305 Open 2014 if your priority is putting more people on the water — it handles 9 passengers and at 30,0 ft it has the deck room to back that rating up comfortably. The Robalo 246 Cayman 2019 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.