The White Marlin Open in Ocean City, Maryland is the World's Largest Billfish Tournament.  For the past 44 yeas, anglers from all over the world have competed to catch the heaviest White Marlin.  White Marlin Open Week is the busiest week of the year for the town of Ocean City, Maryland. With over 2,000 participants, their families and tens of thousands of spectators who come to watch the weigh-ins, the White Marlin Open is the premier event of the summer.