Ambarish -
I've got a
custom map for my website's language selection. It has each of my offices worldwide. This is overkill for a single venue, but you can look more into Google's API docs to find specifics.
https://support.google.com/maps/answer/72644?hl=enAt a high level.Get a google dev api license for the app.
Grab the google maps code from their site
On your Marketo Landing page, Create a custom HTML block & paste it in.
Tweak to perfection.