The google-map out of the Wix-Box won’t make you happy.
Why?
- single-location-point only (no possibility to set multiple-pins on map)
- no click-event-option onto the marker
All you can do on the provided version is.
https://www.wix.com/velo/reference/$w/googlemap/location
You will have to go the CUSTOM-WAY (like in most cases) if you want to generate your own wished functionality on your page.
This is your way to success…
- Implement an HTML-Component onto your site.
- Register on GOOGLE-MAPS to get a access-token/key
- Follow the instructions of the shown EXAMPLE.