Read more sex and relationship advice at Women's Health & Fitness. Q. "I've always had a fantasy about having sex in the ocean, but I've heard some scare. Having sex in water sounds so sensual, doesn't it? When you're Lake, river, ocean, and pond water all contain bacteria. Having sex Pool water, on the other hand, contains chemicals that could irritate your lady business. Couple gets genitals stuck together having sex in ocean. writes the man was “ unable to extricate himself from the woman due to suction.”.