My eyes went wide. I knew that sound. The moans of sex were unmistakeable over the gentle lapping of the waves on sand. I moved towards the trees and ...istened to the moans getting louder. I looked through the trees and saw the source.The couple was behind a tree, the man was pounding the woman from behind. My bathing suit suddenly went tight. I sat there watching in silence, my dick getting bigger as I watch. I quietly squatted down where I had a good view and pulled my throbbing dick into the. I can't believe that tomorrow's the last day of summer vacation, Sean. I'm not ready to go back to school." I'm not either. I could live on summer vacation all year long." So, if tomorrow's our last day of freedom, can you come over?" I don't know, Molly. I've got an away game in the morning, and then team practice in the afternoon. I'm going to be pretty wiped out by the end." Too wiped out to see me?" She sounded disappointed, and maybe a little angry."No, no, not too wiped out to see you,. "I could say the same to you, Carol," Holly replied as she slowly walked towards the shower.I only a had a shower curtain, and I didn't even bother use it. We both checked each other out for a minute, and then she asked the question, I had been dying to hear."Mind if I join you?" Holly asked as she took her bra off.To answer her, I just got down on my knees and pulled down her panties too. I was tempted to eat her out, right then and there. I leaned up and put my hand out. She took it and I. I dipped my toes in.Damn it was cold. Did I really want to go in? Na, I'll just sun for a while, I decided. I wanted to swim, but it was just too cold.I lay down in the lawn chair and picked up the book Jen had given me. It was some vampire romance that she really liked.After a couple hour of sitting in the sun, I began to feel really hot, so put the book down and went and dove into the water."Holy shit, that's cold!"I went from, being hot to freezing, so I started swimming laps to warm up. I.