Google Product Forums
Re: Multiple pins on a map
Jul 11, 2009 12:07 PM
Posted in group:
"It depends" - usually somewhere between 60 and 200 features. the exact point is decided on your exact data. Sometimes it can be as low as 30.
allows you to view different without pages, but still only displays 80 features at most at one time.
... but beware that My Maps have a limit of 1000 features anyway.
I suggest you try out Google Earth - being a desktop application it can cope with many more placemarks (in the tens of thousends)