A commonly accepted law which dictates certain interactions in costal areas of recreation. The rules favor the winner of physical conflicts between two parties and usually end in the superior party recieving an object of great significance.

TL,DR: Screw you Orlando Bloom, I kick your ass I take your girl.
Beach Rules Examples
ex) Party 1 has an object of significance (attractive females)

Party 2 challenges Part 1 and wins

Party 2 has the oppourtunity of taking the attractive female and other objects of importance.
by The Flugas March 9, 2009
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Always bring comforter/sleeping bag to beach for sexual encounters. Do not use sheets or a towel..sand will find its way in guaranteed. - Thick fabric makes for a smooth ride.
Night 1, as follows;

Michelle: "The sand found its way through the fibers of the sheet"...ouch Sean!

Night 2, as follows; (after lesson learned)

Michelle: "This comforter is the best, Thanks to "Sex on the beach rule 1" and so are you, Sean!"
by BOMBEDONERZ November 13, 2011
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