St. Mary's Church is a Christian church in East Islip, Suffolk County, New York — listed by Foursquare OS Places, Overture Maps Places; last seen September 2026.
Who meets here
No organisation record is linked to this building yet — the building is known from the map sources below.
Also listed at this address: Parish of St. Mary.
How we know
- Foursquare OS Places · seen September 2026
- Overture Maps Places · seen September 2026
2 independent sources agree on this place. About our sources