Head to The Otter’s Den on Saturday, April 27 for an evening of bingo to benefit Surfrider Monterey. From 5-7pm, dive into pints of blue beer… wait, what? OK, have blue beer, and play a few rounds of bingo with great local prizes. Cards are $5 each and all proceeds from bingo go toward efforts to protect local beaches and seas. 3155 Vista Del Camino Circle, Marina. 883-1227, bar831.com.