Accessing your saved spots depends on whether you are using a mobile device or a desktop computer: Navigate to a Favorites location? - Google Maps Community
In the ecosystem of Google Maps, "Favorites" is one of several (alongside "Starred places" and "Want to go") that allow users to save specific locations for later retrieval. While navigation remains the app's primary utility, these saving features shift its purpose toward discovery and memory. Save favorite places - Android - Google Maps Help google favourites location