Search pin limit counted non-intuitively
The limit of pins on the map is not counted against the aggregated hits, but the single hits. Having a limit set to 100 for instance, you might see only 50 instances (aggregated), because the underlaying single hits exceed the limit.
Either a description or notification should be added to the search results, along the lines: "There are 'n' results, grouped into 'm' groups. You have reached the limit of search results allowed in a single query."