Wayfarrow

Sentinel Island Light

Lighthouse · Juneau County, Alaska

Sentinel Island Light is a lighthouse in Juneau County, Alaska. Alaska has 20 lighthouses on record at Wayfarrow, 3 of them in Juneau County.

It was built in 1935, in the interwar years, making it the 8th oldest of the 11 in Alaska with a recorded construction date; the tower stands about 51 feet tall (6th tallest of 9 measured in Alaska); the light characteristic is recorded as Fl W 10s (a white flash every 10 seconds); the structure is built of concrete.

Status check, 2026-11: The 1902 wooden lighthouse was replaced in 1933–35 by the current Art Deco concrete tower; 1902 is the station date, not the current structure. Sentinel Island Light is listed on the National Register of Historic Places. It stands at 58.5461° N, 134.9203° W.

Key facts

Current structure built1935
Tower height51 ft
Light characteristicFl W 10s
Materialconcrete
Heritage designationNational Register of Historic Places listed place
National RegisterListed
Coordinates58.54611, -134.92028

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Nearby places

Questions

Where is Sentinel Island Light?

Sentinel Island Light is in Juneau County, Alaska, at 58.5461, -134.9203.

How many lighthouses are in Juneau County?

Juneau County, Alaska has 3 lighthouses on record at Wayfarrow.

Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.