Block Island Southeast (Rhode Island)
Historical Light List Characteristics
| 1878-1879 | F W. W21. | LHB Light List (All Coasts): 146 |
| 1886 | LHB Light List (All Coasts): 153 | |
| 1888 | LHB Light List (All Coasts): 160 | |
| 1893 | LHB Light List (Atlantic): 174 | |
| 1898 | F W. W201/2. | LHB Light List (Atlantic): 206 |
| 1899 | LHB Light List (Atlantic): 210 | |
| 1905 | LHB Light List (Atlantic): 225 | |
| 1908 | LHB Light List (Atlantic): 240 | |
| 1915 | F W. W21. | USLHS Light List (Atlantic): 313 |
| 1917 | USLHS Light List (Atlantic): 325 | |
| 1920 | USLHS Light List (Atlantic): 344 | |
| 1927 | USLHS Light List (Atlantic): 350 | |
| 1931 | Fl G 3.7s. G21. fl 0.3. | USLHS Light List (Atlantic): 406 |
| 1935 | USLHS Light List (Atlantic): 732 | |
| 1940 | USCG Light List (Atlantic): 454 | |
| 1943 | USCG Light List (Atlantic): 580 | |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 75 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 76 | |
| 1961 | USCG Light List - Vol. I: 76 | |
| 1963-1965 | ||
| 1966 | Fl G 3.7s. G21. | USCG Light List - Vol. I: 80 |
| 1969-1979 | ||
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 635 | |
| 1990 | USCG Light List - Vol. I: 655 | |
| 1991-1992 | Fl G 5s. G24. | USCG Light List - Vol. I: 655 |
| 1993-1994 | USCG Light List - Vol. I: 640 | |
| 1995-1996 | Fl G 5s. G20. | USCG Light List - Vol. I: 640 |
| 2004 |
Historical Light List Optics and Structures
| 1878-1879 | 1st | 52 | 204 | Two-story and attic dwelling, with octagonal tower attached. Tower and dwelling of brick, with granite trimmings; lantern painted black. Steam fog-siren in one-story frame building, placed 100 feet to the southeastward of the dwelling. | LHB Light List (All Coasts): 146 |
| 1886 | Octagonal tower, attached to red-brick dwelling, with granite trimmings; lantern, black. Fog-signal building 100 feet S.E. | LHB Light List (All Coasts): 153 | |||
| 1888 | Octagonal tower, attached to red brick dwelling, with granite trimmings; lantern, black. Fog-signal building 100 feet S.E. | LHB Light List (All Coasts): 160 | |||
| 1893 | Octagonal tower, attached to red brick dwelling, with granite trimmings; lantern, black. Fog-signal building 100 feet SE. | LHB Light List (Atlantic): 174 | |||
| 1898 | 201 | Octagonal red brick tower, attached to red brick dwelling, with granite trimmings; lantern, black. Fog-signal building 100 feet SE. | LHB Light List (Atlantic): 206 | ||
| 1899 | LHB Light List (Atlantic): 210 | ||||
| 1905 | Red-brick, octagonal tower, attached to red-brick dwelling, with granite trimmings; lantern, black. Fog-signal building 100 feet southeasterly. | LHB Light List (Atlantic): 225 | |||
| 1908 | 1 iov | Red-brick, octagonal tower, attached to red-brick dwelling with granite trimmings; black lantern; red-brick fog-signal building 100 feet and white, wooden, fog-signal building 300 feet SE'ly. | LHB Light List (Atlantic): 240 | ||
| 1915 | N/A | 63 | Red-brick; octagonal, pyramidal tower attached to dwelling. | USLHS Light List (Atlantic): 313 | |
| 1917 | 67 | USLHS Light List (Atlantic): 325 | |||
| 1920 | USLHS Light List (Atlantic): 344 | ||||
| 1927 | USLHS Light List (Atlantic): 350 | ||||
| 1931 | 1 iov | Red-brick, octagonal, pyramidal tower attached to dwelling. | USLHS Light List (Atlantic): 406 | ||
| 1935 | 1 ei | USLHS Light List (Atlantic): 732 | |||
| 1940 | 1 e | USCG Light List (Atlantic): 454 | |||
| 1943 | Red-brick octagonal, pyramidal tower attached to dwelling. | USCG Light List (Atlantic): 580 | |||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 75 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 76 | ||||
| 1961 | USCG Light List - Vol. I: 76 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 80 | ||||
| 1969-1979 | |||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 635 | ||||
| 1990 | USCG Light List - Vol. I: 655 | ||||
| 1991-1992 | N/A | 67 | 258 | On steel tower. | USCG Light List - Vol. I: 655 |
| 1993-1994 | USCG Light List - Vol. I: 640 | ||||
| 1995-1996 | N/A | 67 | 261 | Red-brick octagonal, pyramidal tower attached to dwelling. | USCG Light List - Vol. I: 640 |
| 2004 |
Historical Light List Audible Fog Signals
| 1878-1879 | A 1st-order steam fog-siren, giving blasts of 6 seconds at intervals of 20 seconds. | None | LHB Light List (All Coasts): 146 |
| 1886 | 1st-class steam-siren, blasts of 4 sec., intervals 30 sec. | LHB Light List (All Coasts): 153 | |
| 1888 | LHB Light List (All Coasts): 160 | ||
| 1893 | 1st-class steam siren, blasts of 4 sec., silent intervals 30 sec. | LHB Light List (Atlantic): 174 | |
| 1898 | LHB Light List (Atlantic): 206 | ||
| 1899 | LHB Light List (Atlantic): 210 | ||
| 1905 | LHB Light List (Atlantic): 225 | ||
| 1908 | 1st-class, automatic, compressed-air siren, blasts of 4 sec., silent intervals 30 sec. | LHB Light List (Atlantic): 240 | |
| 1915 | 1st-cl. air siren: blast 4 sec., silent 30 sec. | USLHS Light List (Atlantic): 313 | |
| 1917 | USLHS Light List (Atlantic): 325 | ||
| 1920 | USLHS Light List (Atlantic): 344 | ||
| 1927 | USLHS Light List (Atlantic): 350 | ||
| 1931 | SIREN, 1st-cl. air: blast 4 sec., silent 30 sec. | USLHS Light List (Atlantic): 406 | |
| 1935 | TYFON, air: blast 5 sec., silent 25 sec. | USLHS Light List (Atlantic): 732 | |
| 1940 | HORN, diaphragm, air: blast 5 sec., silent 25 sec. | USCG Light List (Atlantic): 454 | |
| 1943 | HORN, diaphragm, air: blast 5 sec., silent 25 sec. | USCG Light List (Atlantic): 580 | |
| 1945-1947 | |||
| 1950-1952 | HORN, diaphragm, air; blast 5 sec., silent 25 sec. | ||
| 1953 | HORN, diaphragm; when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | USCG Light List - Vol. I-VI: 75 | |
| 1954-1955 | HORN, diaphragm; when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | ||
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 76 | ||
| 1961 | USCG Light List - Vol. I: 76 | ||
| 1963-1965 | HORN, diaphragm; 1 blast ev 30s (5sbl). | ||
| 1966 | USCG Light List - Vol. I: 80 | ||
| 1969 | |||
| 1970-1972 | HORN, diaphragm; 1 blast ev 30s (3sbl). | ||
| 1973-1975 | HORN, 1 blast ev 30s (3sbl). | ||
| 1976-1979 | HORN: 1 blast ev 30s (3sbl). | ||
| 1982 | HORN: 1 blast ev 30s (3s bl). | ||
| 1987 | HORN: 1 blast ev 30s (3s bl). | USCG Light List - Vol. I: 635 | |
| 1990 | USCG Light List - Vol. I: 655 | ||
| 1991-1992 | None | ||
| 1993-1994 | USCG Light List - Vol. I: 640 | ||
| 1995-1996 | HORN: 1 blast ev 30s (3s bl). | ||
| 2004 | HORN: 1 blast ev 30s (3s bl). |
Historical Light List Other Signals
| 1927 | None | USLHS Light List (Atlantic): 350 |
| 1931 | USLHS Light List (Atlantic): 406 | |
| 1935 | RADIOBEACON: transmits gps. of   . |
USLHS Light List (Atlantic): 732 |
| 1940 | RADIOBEACON: transmits on 314 kc, groups of 2 dots, dash, dot (). Antenna lead-in 140 feet 106° from light tower. |
USCG Light List (Atlantic): 454 |
| 1943 | RADIOBEACON: Transmits on 314 kc, groups of 2 dots, dash, dot (). Antenna lead-in 140 feet 106° from light tower. DISTANCE-FINDING STATION. |
USCG Light List (Atlantic): 580 |
| 1945 | ||
| 1946 | RADIOBEACON: Transmits on 314 kc, groups of 2 dots, dash, dot, (). Antenna lead-in 140 feet 106° from light tower. DISTANCE-FINDING STATION. |
|
| 1947 | RADIOBEACON: Transmits on 314 kc. groups of 2 dots, dash, dot, (). Antenna lead-in 140 feet 106° from light tower. DISTANCE-FINDING STATION. |
|
| 1950-1952 | ||
| 1953-1955 | RADIOBEACON: 314 kc. (Code: ). Antenna 140 feet 106° from light tower. |
USCG Light List - Vol. I-VI: 75 |
| 1957 | ||
| 1959-1960 | RADIOBEACON: 308 kc. (Code: ). Antenna 140 feet 106° from light tower. |
USCG Light List - Vol. I-V: 76 |
| 1961 | USCG Light List - Vol. I: 76 | |
| 1963 | RADIOBEACON: Antenna 140 feet 106° from light tower. Distance finding station. | |
| 1964-1965 | RADIOBEACON: 286 kc. (Code:). Antenna 140 feet 106° from light tower. Distance finding station. |
|
| 1966 | RADIOBEACON: Antenna 140 feet 106° from light tower. Distance finding station. | USCG Light List - Vol. I: 80 |
| 1969 | RADIOBEACON: 286 kc. (Code:). Antenna 140 feet 106° from light tower. Distance finding station. |
|
| 1970-1974 | RADIOBEACON: 286 kc. (Code:). Antenna 140 feet 106° from light tower. |
|
| 1975-1977 | RBN: 286 kHz () V. Antenna 140 feet 106° from light tower. |
|
| 1978 | RBN: 301 kHz ( ). Antenna 140 feet 106° from light tower. |
|
| 1979 | RBN: 301 kHz BI (). Antenna 140 feet 106° from light tower. |
|
| 1982 | ||
| 1987 | RBN: 301 kHz BI (). Antenna 140 feet from light tower. |
USCG Light List - Vol. I: 635 |
| 1990 | RBN: 301 kHz BI (). Antenna 140 feet from light tower. |
USCG Light List - Vol. I: 655 |
| 1991 | 301 kHz. BI (). Antenna 70 feet east south east of tower. |
|
| 1992 | FREQ: 301 kHz. BI (). Antenna 70 feet east south east of tower. |
|
| 1993-1994 | USCG Light List - Vol. I: 640 | |
| 1995-1996 | None | |
| 2004 |
 |
1875 - Present (Exact location of the 1875 lighthouse after the move of approximately 300 feet from the cliffs in 1993. The modern 1990-1994 light was nearby.) |