Open and delivering 365 days a year, our staff is always standing by, ready to help you with your gift to Mercer Island, Washington. Place your Mercer Island, Washington order with confidence quickly, safely and easily. Our checkout process is a breeze! Every order is handled with care Mercer Island Washington Flower Delivery Express® to ensure the highest quality and best service. The end result is a beautiful gift delivered when you want it in Mercer Island, Washington. In some areas, Mercer Island, Washington Flower Delivery Express® uses their extensive network of preferred local florists to provide the highest quality products and ensure timely delivery.