Venice, Florida. 70 48. Reviewed December 15, 2015 via mobile . Green Flash! A green flash occurs when the sun's rays stream through the top 20-30 feet of clear water at the horizon. There cannot be ANY clouds between the horizon and the sun. The water acts as a prism and filters out all but the sun's green color. Caspersen's is a perfect place Venice, FL. Open mined couple looking for new playmates!!or more playmates.