Only one marker?Browser Info Environment
I assume that you meant Styled Maps (add-on) as Snazzy maps is purely a map styling resource.
Styled Maps is a single location (marker) map block.
An extended version may be developed down the track with additional options such as multiple locations but for now this is how it is.
However, If you are looking for a map block that accepts multiple markers and can still handle custom styles (ie: Snazzy Maps) then perhaps take a look at this add-on here,
Hope this helps.