Polar Plunge 2025 Maryland. Maryland plunge $0 the first polar bear plunge took place in 1997 and since then, our plunge has gotten so large it has broken up into 5 different plunge properties, super plunge, cool. Besides being great fun to watch, this.

Maryland plunge $0 the first polar bear plunge took place in 1997 and since then, our plunge has gotten so large it has broken up into 5 different plunge properties, super plunge, cool. You may register at the welcome center on january 1st starting at 11 a.m.