Come and enjoy an exciting competitive event on the water. The Diamond State Masters Regatta is one of the largest two-day Masters events in North America. The 23rd annual Diamond State Masters Rowing Regatta on Noxontown Pond next to St. Andrew’s School in Middletown, Delaware. Over 1,000 rowers attending from as far away as Maine and Florida. The facility provides great access to the water to watch races!.