Address: 10 East maple St Massapequa, NY 11758 Phone number: 516-557-2670 Description: At Island Associates, our belief is that nothing brings more elegance to your property than a unique landscape design. We take pride in our craft and are proud to offer Long Island a plethora of different backyard landscape options. Our team of professionals can create from scratch to give your backyard design a complete transformation. Once we add new design elements, your property will have distinction.