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Gasparilla Island Light

Location: near the southern tip of Gasparilla Island, on the Boca Grande Pass near Boca Grande, FL
Source: USCG

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About Gasparilla Island Light

The location of the light is near the southern tip of Gasparilla Island, on the Boca Grande Pass. The nearest city is Boca Grande, FL. The station was first established in 1890. The current lighthouse was first lit in 1932.

The lighthouse is a white hexagonal pyramidal skeleton tower enclosing stair cylinder.

The tower has an isophase white light at a focal plane height of 105 ft above mean high water. The light has a nominal range of 12 nautical miles. The tower height is 105 ft. The light has a period of 6 seconds.

Open to the Public?: Yes    Active?: Yes

Identification number: 1310 (U.S.)

The Gasparilla Island Light was originally constructed in 1885 to serve as the Delaware Breakwater Range Rear Light. Due to erosion, the light was decommissioned in 1918. The tower was disassembled in 1921, and reassembled on Gasparilla Island in 1927. However, the light was not lit until 1932, when it began service as the rear entrance range light for Port Boca Grande, with the front entrance range light approximately one mile off shore in the Gulf of Mexico. When the two lights, which flashed at different rates, lined up, the ships' navigators knew it was time to turn to enter Gasparilla Pass. Though the front range has been removed, the Boca Grande Rear Range Light remains in service today as the Gasparilla Island Light. It is an Aid to Navigation and is maintained by the U.S. Coast Guard.

Red sector from 001 to 045. Range of the light in the red sector is 10nm.

An 'isophase' light is a light in which all durations of light and darkness are equal. So in the 6 second period, the light is on for 3 then off for 3.

NOTE: Sectors of colored glass are placed in the lanterns of some lights in order to produce a system of light sectors of different colors. In general, red sectors are used to mark shoals or to warn the mariner of other obstructions to navigation or of nearby land. Such lights provide approximate bearing information, since observers may note the change of color as they cross the boundary between sectors.
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