Foggy Grays Garland and Lights for a Beach Christmas Tree Theme: What type of garland works best for a beach theme Christmas tree? Shell garland or pearl garland makes a beautiful accent to beach theme ornaments. Drape your tree with ribbon in cool beach colors such as greens, blues, corrals, and yellows. Bead garland in gold, silver, or bright blue beads add sparkle and shine. The best Christmas lights for this tree are blue or white in color.