Mercer Island Florist 3006 78th Ave SE, Mercer Island, WA98040 Mercer Island Florist has been creating beautiful flower arrangements and offering special gifts since 1961. The bright…More green walls, colorful gifts and a variety of fragrant flowers greet you upon entering. Fun and funky "Happy Birthday" decorations overflow on a store table. The friendly staff helps you select your flower arrangement or order a corsage or boutonniere for Prom. Caspari napkins, GurglePots, Little Shirleys - locally handmade vases, Seda France candles, Emilie Sloan bags from Seattle, and JellyCats stuffed animals are part of the gift selection. Owner, Diane Larson, offers floral arrangement classes for a minimum of 10 people, in store, or in your home. Mercer Island Florist will re-pot your plants and flowers and refurbish wreaths and permanent botanicals.