There are couple Aston Martin and Vantage groups on Facebook someone is may interested to join.
This thread should help owners to find fellow AM enthusiasts on social media.

The global Vantage group is fairly new but pretty active:
Aston Martin V8/V12 Vantage Owners Group
https://www.facebook.com/groups/1428557477270816/

Of course the Florida Aston Martin group:
Aston Martin Owners Club - Florida
https://www.facebook.com/groups/1960074354321385/

Aston Martin Heritage Trust
https://www.facebook.com/groups/226562138664/

Aston Martin Owners Club - NA East
https://www.facebook.com/groups/327505696816/

I'm part of a few others but without any activity.