Sylvan Island
Island or Feature Name
Sylvan Island
Nationality
US
Centroid Lat/Long
442240N 0755325W
Two-Minute Box
44^24′ x 75^52′
Location and description
Former, informal, or alternate names
Municipality
Alexandria
County
Jefferson
Province / State
NY
Ports?
Book refs
1000islands.co ID #
1187
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Data source.