Aunty Sue dragged Shelly and I out of and threw the two us in the shower. She told us to hurry up, have a shower and get ready to go sailing. I'm not sure if Aunty Sue meant for us to hurry up and have a shower, or something else, but when Shelly turned on the water and stepped under the steady stream of water, I started to get a throbbing hard on. Shelly was rubbing herself all over with body shampoo, concentrating on her lovely tits and occasionally reaching down and tweaking her clit. I lent back against the had basin to get a better view and started to jack myself off. Shelly must have seen me, she had a smirk on her face like the cat who is about to get the cream, and she reached down and put three fingers up her pussy and started to get herself off with vigor. I started to pull myself harder and harder, and just as thought I was about to cum, I felt warm lips on my cock. I opened by eyes and saw Shelly taking my cock down her throat. "You look like you need a hand there" she mumbled as I lent back. I could feel the cum building in my balls and let out a load down my sisters throat. Shelly swallowed it all, and when I went limp, Shelly said, "mmmm, a good breakfast is always the best way to start the day". I could really say nothing to that, so I jumped in the shower, dressed and went down stairs to help Aunty Sue and Shelly finish packing for the day.
We left home for the boat about 9:30 am, parked at the yacht club, and caught he tender out to the boat. Aunty Sue had not been out with us very often, and Shelly and I spent the next half an hour getting the boat ready. Finally we got under way, and within an hour were sailing out of the Sydney heads, on our way to Broken Bay which would take us about 4 hours with the South East winds that we had. The weather was warm and clear, and it was not too long before Aunty Sue and Shelly were stripping off and sun bathing nude on the deck. I yelled out some smart comment about not getting sunburnt, and Shelly jumped up, ran below deck and emerged with a bottle of sun screen.
Shelly went over to Aunty Sue and started to cover her back, down her arms and then her legs. Aunty Sue rolled over, displaying those firm tits and large nipples. Shelly put more sun screen on her hands and started to rub Aunty Sue all over. Shelly was paying close attention to Aunty Sues tits, and Aunty Sue nipples were getting harder and longer. With the way that they were growing, I could see that they were enjoying it. Shelly then started at Aunty Sues toes, working her way up. Aunty Sue at up, and spread her legs so that Shelly could access all areas. Shelly made her way up to Aunty Sues pussy. Aunty Sue moaned softly as Shelly started to rub her pussy and clit. Aunty Sue then grabbed Shelly's head and pushed her down between her legs. All I could see from the wheel was Aunty Sue leaning back and moaning and Shelly's head moving between Aunt Sues legs, Shelly's tits where bouncing up and down, bouncing off the deck while her arse was pointed up towards the sky. Aunty Sue grabbed Shelly's head again, seemingly trying to force Shelly's whole head inside her pussy. Aunty Sue started to shake, then stiffen. She let out a scream and fell back. Shelly moved back towards Aunty Sues head and kissed her. I could hear her say to Aunty sue that it was her turn for some sun screen!
