Eldred Rock Light (AK)
Historical Light List Characteristics
| Year | Characteristic | Reference Number |
| Missing light lists prior to 1906 | ||
| 1906 | F W. Obscured between N and E. covers Sullivan Island. | LHB Light List (Dist. 12-13): 256 |
| Missing light lists for 1907-1910 | ||
| 1911 | AlFl RW 20s. W15, R15. | USLHS Light List (16th-18th): NA |
| Missing light lists for 1912-1913 | ||
| 1914 | AlFl RW 20s. W15, R15. fl 2. | USLHS Light List (Pacific): 600 |
| Missing light lists for 1915-1929 | ||
| 1930-1933 | AlFl WR 20s. W15, R15. fl 1.2. | USLHS Light List (Pacific): 1224 |
| Missing light lists for 1934-1944 | ||
| 1945 | AlFl WR 20s. W15, R15. fl 0.5. | USCG Light List (Pacific): 2298 |
| Missing light lists for 1946-1949 | ||
| 1950-1951 | AlFl WR 20s. W15, R15. fl 0.5. | USCG Light List (Pacific): 2298 |
| 1952-1960 | USCG Light List - Vol. I-V: 2534 | |
| 1961-1963 | USCG Light List - Vol. III: 2534 | |
| 1964-1972 | AlFl WR 20s. W15, R15. fl 0.3. | USCG Light List - Vol. III: 3188 |
| 1973 | AlFl WR 20s. W20, R20. fl 0.3. | |
| 1974 | Fl W 6s. W7. | |
| 1975-1977 | USCG Light List - Vol. III: 3235 | |
| 1978-1984 | Fl W 6s. W8. | |
| 1985 | USCG Light List - Vol. VI: 3235 | |
| 1986 | USCG Light List - Vol. VI: 23880 | |
| 1988 | ||
| 1990 | ||
| Missing light lists for 1991-2003 | ||
| 2004 | Fl W 6s. W8. | USCG Light List - Vol. VI: 23880 |
Historical Light List Optics and Structures
| Year | Optic | Tower Height | Focal Plane | Description | Reference Number |
| Missing light lists prior to 1906 | |||||
| 1906 | Lens Lantern | 6 | 40 | Lantern suspended from an arm on a stake. | LHB Light List (Dist. 12-13): 256 |
| Missing light lists for 1907-1910 | |||||
| 1911 | 4th | NA | NA | White; gray lantern. Octagonal; wooden tower on building. | USLHS Light List (16th-18th): NA |
| Missing light lists for 1912-1913 | |||||
| 1914 | NA | 50 | 91 | White; octagonal wooden tower on building; gray lantern. | USLHS Light List (Pacific): 600 |
| Missing light lists for 1915-1929 | |||||
| 1930-1933 | 4 o | 56 | 91 | White octagonal tower on building. | USLHS Light List (Pacific): 1224 |
| Missing light lists for 1934-1944 | |||||
| 1945 | 4 e | 56 | 91 | White octagonal tower on building. | USCG Light List (Pacific): 2298 |
| Missing light lists for 1946-1949 | |||||
| 1950-1951 | 4 e | 56 | 91 | White octagonal tower on building. | USCG Light List (Pacific): 2298 |
| 1952-1960 | NA | USCG Light List - Vol. I-V: 2534 | |||
| 1961-1963 | USCG Light List - Vol. III: 2534 | ||||
| 1964-1974 | USCG Light List - Vol. III: 3188 | ||||
| 1975-1984 | USCG Light List - Vol. III: 3235 | ||||
| 1985 | USCG Light List - Vol. VI: 3235 | ||||
| 1986 | USCG Light List - Vol. VI: 23880 | ||||
| 1988 | |||||
| 1990 | |||||
| Missing light lists for 1991-2003 | |||||
| 2004 | NA | NA | 91 | White octagonal tower on building. | USCG Light List - Vol. VI: 23880 |
 |
1905-Present |