What size do my icons have to be for my map's landmark pin? August 23, 2019 06:08 Updated It will depend on the image size of your map and the design of your icon. It can range from 64px to 100px. Related articles What size does my map image need to be to upload? Are you able to use a map like Google or Apple Maps? What is the ribbon shaped icon next to map titles on map search page?