New & Used Crownline 270 Br boats for sale - Boat Trader New & Used Crownline 270 Br boats for sale. Since its first production bowrider in 1991, Crownline’s goal has been to give customers what they want. That approach has resulted in rapid company growth. By 1995, the brand had shipped 10,000 boats to consumers in just three and a half years of production; by 2007, it had become the third-largest Crownline 270 BR — Smile Maker - boats The Crownline 270 BR was not created for such days. The 270 BR is meant for the days when you get out of bed, stub your toe on the way to the shower and spill coffee down the front of your favorite shirt — because this boat has the power to turn a bad day into a good one.