The sibling replies mentioning Openstreetmap are correct. When displaying placemarkers, like this, you don't need Google Maps. Also, for showing maps on a high

The sibling replies mentioning Openstreetmap are correct. When displaying placemarkers, like this, you don't need Google Maps. Also, for showing maps on a high-volume homepage like this, you can use caching, robots.txt and old-school HTML image maps.