Sullivan's Island Lighthouse
E776189
Sullivan's Island Lighthouse is a distinctive, modern-style navigational beacon on Sullivan's Island, South Carolina, known for its unusual triangular shape and powerful light guiding ships near Charleston Harbor.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Charleston Light on Sullivan’s Island | 1 |
| Sullivan's Island Lighthouse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9072020 — 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: Sullivan's Island Lighthouse Context triple: [Sullivan's Island, hasLandmark, Sullivan's Island Lighthouse]
-
A.
Morris Island Lighthouse
Morris Island Lighthouse is a historic, now offshore brick lighthouse off Morris Island near Charleston, South Carolina, known for its Civil War–era origins and ongoing preservation efforts against coastal erosion.
-
B.
Amelia Island Lighthouse
Amelia Island Lighthouse is a historic 19th-century lighthouse on Florida’s Amelia Island and one of the state’s oldest still-operating beacons.
-
C.
St. Augustine Lighthouse
The St. Augustine Lighthouse is a historic 19th-century lighthouse and maritime museum on Anastasia Island, renowned as an iconic symbol of St. Augustine’s coastal heritage and one of the oldest surviving aids to navigation in the United States.
-
D.
Cape Lookout Lighthouse
Cape Lookout Lighthouse is a historic, black-and-white diamond-patterned coastal beacon on North Carolina’s Outer Banks, renowned for guiding ships through the treacherous waters of the Cape Lookout Shoals.
-
E.
Old Point Comfort Lighthouse
Old Point Comfort Lighthouse is a historic navigational beacon in Hampton, Virginia, notable as one of the oldest continuously operating lighthouses on the Chesapeake Bay.
- 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: Sullivan's Island Lighthouse Target entity description: Sullivan's Island Lighthouse is a distinctive, modern-style navigational beacon on Sullivan's Island, South Carolina, known for its unusual triangular shape and powerful light guiding ships near Charleston Harbor.
-
A.
Morris Island Lighthouse
Morris Island Lighthouse is a historic, now offshore brick lighthouse off Morris Island near Charleston, South Carolina, known for its Civil War–era origins and ongoing preservation efforts against coastal erosion.
-
B.
Amelia Island Lighthouse
Amelia Island Lighthouse is a historic 19th-century lighthouse on Florida’s Amelia Island and one of the state’s oldest still-operating beacons.
-
C.
St. Augustine Lighthouse
The St. Augustine Lighthouse is a historic 19th-century lighthouse and maritime museum on Anastasia Island, renowned as an iconic symbol of St. Augustine’s coastal heritage and one of the oldest surviving aids to navigation in the United States.
-
D.
Cape Lookout Lighthouse
Cape Lookout Lighthouse is a historic, black-and-white diamond-patterned coastal beacon on North Carolina’s Outer Banks, renowned for guiding ships through the treacherous waters of the Cape Lookout Shoals.
-
E.
Old Point Comfort Lighthouse
Old Point Comfort Lighthouse is a historic navigational beacon in Hampton, Virginia, notable as one of the oldest continuously operating lighthouses on the Chesapeake Bay.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
lighthouse
ⓘ
navigational aid ⓘ tourist attraction ⓘ |
| alsoKnownAs | Charleston Light NERFINISHED ⓘ |
| architecturalStyle | modern ⓘ |
| automated | yes ⓘ |
| automatedYear | 1975 ⓘ |
| constructionMaterial |
aluminum siding
ⓘ
concrete base ⓘ steel frame ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| distinction |
one of the last major lighthouses built in the United States
ⓘ
only U.S. lighthouse with a triangular tower ⓘ |
| focalHeight | approximately 163 feet ⓘ |
| hasCategory |
1962 establishments in South Carolina
ⓘ
Buildings and structures in Charleston County, South Carolina ⓘ Lighthouses in South Carolina ⓘ Transportation in Charleston County, South Carolina ⓘ |
| hasFeature |
air-conditioned keeper quarters (originally)
ⓘ
elevator inside the tower ⓘ |
| height |
140 feet
ⓘ
approximately 43 meters ⓘ |
| lightCharacteristic | flashing white light ⓘ |
| lightRange | approximately 26 nautical miles ⓘ |
| locatedIn |
Charleston County, South Carolina
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| locatedOn | Atlantic coast ⓘ |
| location | Sullivan's Island, South Carolina NERFINISHED ⓘ |
| managedBy | United States Coast Guard NERFINISHED ⓘ |
| marking |
black top
ⓘ
orange base ⓘ white center ⓘ |
| near | Charleston Harbor NERFINISHED ⓘ |
| ownedBy | United States Coast Guard NERFINISHED ⓘ |
| powerSource | electric ⓘ |
| purpose | to guide ships near Charleston Harbor ⓘ |
| replaced | Morris Island Lighthouse as primary approach light to Charleston Harbor NERFINISHED ⓘ |
| servesPort | Port of Charleston NERFINISHED ⓘ |
| shape | triangular ⓘ |
| state | South Carolina ⓘ |
| towerShape | tapered triangular prism ⓘ |
| yearCompleted | 1962 ⓘ |
| yearLit | 1962 ⓘ |
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: Sullivan's Island Lighthouse Description of subject: Sullivan's Island Lighthouse is a distinctive, modern-style navigational beacon on Sullivan's Island, South Carolina, known for its unusual triangular shape and powerful light guiding ships near Charleston Harbor.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Charleston Light on Sullivan’s Island