Top beach house decorating ideas. Having a beach house or just decorating your home to give you free and easy feeling can be done without great expense. Beach house style is cool, airy, clean and fresh. To achieve a beach style decorating theme you have all your clues from nature. You can bring the elements of the sand and surf in your home and relax in a serene setting. Below are a few of the top nautical interior design ideas and secrets to making your home is reminiscent of the beach.