For the DIY crowd looking to build the ultimate poolside tiki bar, this guide on How to Build Your Own Tiki Bar is a valuable step-by-step guide featuring a fantastic tiki bar design and instructions on how to build it.  As the writer points out, this type of high-quality tiki bar often sells for upwards of $5000 and makes a great addition to your backyard oasis.  The tiki bar in this design is this beautiful 4 ft by 8 ft layout with a thatched roof.