John Boyle Island

Island in Suffolk County, New York · on the USGS Howells Point quadrangle

40.74010, -72.89677

Maps that show John Boyle Island

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Howells Point, NY — USGS 7.5-minute topo (2023)

Howells Point, NY

Detailed map of terrain, trails and roads

USGS topo, 2023

Bureau of Land Management Eastern States Overview map — BLM Eastern States (2019)

Bureau of Land Management Eastern States Overview map

BLM Eastern States (2019)

IFR Enroute Low Altitude Chart L-33 (U.S.) — FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-33 (U.S.)

FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-34 (U.S.) — FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-34 (U.S.)

FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-32 (U.S.) — FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-32 (U.S.)

FAA, 2026-10-29

IFR Enroute High Altitude Chart H-11 (U.S.) — FAA, 2026-10-29

IFR Enroute High Altitude Chart H-11 (U.S.)

FAA, 2026-10-29

IFR Enroute High Altitude Chart H-10 (U.S.) — FAA, 2026-10-29

IFR Enroute High Altitude Chart H-10 (U.S.)

FAA, 2026-10-29

IFR Enroute High Altitude Chart H-12 (U.S.) — FAA, 2026-10-29

IFR Enroute High Altitude Chart H-12 (U.S.)

FAA, 2026-10-29

Nearby

Name, class, county and location: USGS Geographic Names Information System (public domain).