Cashla Bay
| Name | Cashla Bay |
| Latitude | 53°15.834' North |
| Longitude | 009°33.982' West |
| Character | Dir Iso WRG 5s |
| Sectors | G005°-008.5° (3.5°), W008.5°-011.5° (3°), R011.5°-015° (3.5°) |
| Light Range | White: 8 nautical miles, Red and Green: 6 nautical miles |
| Height of Tower | 4 metres |
| Height of Light above MHWS | 6 metres |
History:
The light at Cashla Bay was first established on 1 March 1984. The present apparatus was installed on 18 July 2005 when daylight exhibition of the light was introduced.
The character of the light is Dir. Isophase White Red Green 5 Seconds
The nominal day range of the light is White 3 Nautical Miles, Red and Green 2 Nautical Miles.
The nominal night range of the light is White 8 Nautical Miles, Red and Green 6 Nautical Miles.
The sectors are: Green 005.0˚-008.5˚, White 008.5˚-011.5˚, Red 011.5˚-015.0˚.
The height of the light is 6 Metres Above Mean Spring High Water.
On 17 December 2007 a vertical red stripe was painted on the white tower to upgrade the daylight conspicuity of this aid to navigation.