Sanibel Lighthouse
E826719
Sanibel Lighthouse is a historic 19th-century iron skeletal lighthouse located on the eastern tip of Sanibel Island, Florida, known for its scenic Gulf views and popular beach surroundings.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sanibel Island Light | 1 |
| Sanibel Lighthouse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9874927 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sanibel Lighthouse Context triple: [Sanibel, hasAttraction, Sanibel Lighthouse]
-
A.
Ponce de Leon Inlet Lighthouse
The Ponce de Leon Inlet Lighthouse is a historic 19th-century brick lighthouse near Daytona Beach, Florida, renowned as one of the tallest and best-preserved lighthouses in the United States.
-
B.
Drum Point Lighthouse
Drum Point Lighthouse is a historic screw-pile lighthouse originally built in the 19th century to mark the entrance to Maryland’s Patuxent River and now preserved as a museum exhibit.
-
C.
Grand Haven lighthouse
The Grand Haven lighthouse is a historic red pierhead light on Lake Michigan in Grand Haven, Michigan, known for its scenic lakeside setting and iconic appearance along the Grand Haven South Pier.
-
D.
Boca Chita Lighthouse
Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
-
E.
Port Isabel Lighthouse
Port Isabel Lighthouse is a historic 19th-century coastal beacon in Port Isabel, Texas, preserved as a landmark and museum overlooking the Laguna Madre and Gulf of Mexico.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sanibel Lighthouse Target entity description: Sanibel Lighthouse is a historic 19th-century iron skeletal lighthouse located on the eastern tip of Sanibel Island, Florida, known for its scenic Gulf views and popular beach surroundings.
-
A.
Ponce de Leon Inlet Lighthouse
The Ponce de Leon Inlet Lighthouse is a historic 19th-century brick lighthouse near Daytona Beach, Florida, renowned as one of the tallest and best-preserved lighthouses in the United States.
-
B.
Drum Point Lighthouse
Drum Point Lighthouse is a historic screw-pile lighthouse originally built in the 19th century to mark the entrance to Maryland’s Patuxent River and now preserved as a museum exhibit.
-
C.
Grand Haven lighthouse
The Grand Haven lighthouse is a historic red pierhead light on Lake Michigan in Grand Haven, Michigan, known for its scenic lakeside setting and iconic appearance along the Grand Haven South Pier.
-
D.
Boca Chita Lighthouse
Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
-
E.
Port Isabel Lighthouse
Port Isabel Lighthouse is a historic 19th-century coastal beacon in Port Isabel, Texas, preserved as a landmark and museum overlooking the Laguna Madre and Gulf of Mexico.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
lighthouse ⓘ |
| architecturalStyle | skeletal iron tower ⓘ |
| automated | yes ⓘ |
| automationYear | 1949 ⓘ |
| centuryOfConstruction | 19th century ⓘ |
| city | Sanibel NERFINISHED ⓘ |
| constructionStartDate | 1884 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Lee County NERFINISHED ⓘ |
| currentUse |
active aid to navigation
ⓘ
tourist attraction ⓘ |
| focalHeight | 98 feet ⓘ |
| hasBalcony | yes ⓘ |
| hasLantern | yes ⓘ |
| hasView |
Gulf of Mexico
NERFINISHED
ⓘ
San Carlos Bay NERFINISHED ⓘ |
| height |
98 feet
ⓘ
about 30 meters ⓘ |
| lightCharacteristic | flashing white light ⓘ |
| lightRange | about 15 nautical miles ⓘ |
| listedOn | National Register of Historic Places ⓘ |
| locatedIn |
Florida
ⓘ
United States of America ⓘ
surface form:
United States
|
| locatedInBodyOfWater | Gulf of Mexico NERFINISHED ⓘ |
| locatedOn | eastern tip of Sanibel Island ⓘ |
| location | Sanibel Island NERFINISHED ⓘ |
| managingAgent | City of Sanibel NERFINISHED ⓘ |
| marking |
black lantern
ⓘ
brown tower ⓘ |
| material | iron ⓘ |
| near | Causeway to Sanibel Island NERFINISHED ⓘ |
| NRHPType | contributing property ⓘ |
| originalPowerSource | kerosene ⓘ |
| originalUse | aids to navigation ⓘ |
| partOf | Sanibel Island Light Station Historic District NERFINISHED ⓘ |
| popularFor |
beachgoing
ⓘ
birdwatching ⓘ fishing ⓘ shelling ⓘ sunrise viewing ⓘ |
| powerSource | electric ⓘ |
| state | Florida ⓘ |
| structureType | skeletal lighthouse ⓘ |
| surroundedBy | Sanibel Lighthouse Beach Park NERFINISHED ⓘ |
| towerShape | square pyramidal skeletal tower ⓘ |
| yearLit | 1884 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Sanibel Lighthouse Description of subject: Sanibel Lighthouse is a historic 19th-century iron skeletal lighthouse located on the eastern tip of Sanibel Island, Florida, known for its scenic Gulf views and popular beach surroundings.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sanibel Island Light