| Key | Value |
| alt_name | grand phare de l'île de Sein |
| building | yes |
| ele | 49 |
| height | 47 |
| heritage | 3 |
| heritage:operator | mhs |
| historic | yes |
| man_made | lighthouse |
| mhs:inscription_date | 2015-12-31 |
| name:br | Tour-tan Goulenez |
| name:en | Isle of Sein Lighthouse |
| ref:FR:ANFR | 207005;207387 |
| ref:mhs | PA29000085 |
| seamark:light:1:character | Fl |
| seamark:light:1:colour | white |
| seamark:light:1:group | 4 |
| seamark:light:1:height | 49 |
| seamark:light:1:period | 25 |
| seamark:light:1:range | 29 |
| seamark:light:1:sequence | 0.1+(2.9)+0.1+(2.9)+0.1+(2.9)+0.1+(15.9) |
| seamark:light:2:category | directional |
| seamark:light:2:character | Q |
| seamark:light:2:colour | green |
| seamark:light:2:orientation | 268 |
| seamark:light:2:range | 6 |
| seamark:light:3:category | directional |
| seamark:light:3:character | Q |
| seamark:light:3:colour | white |
| seamark:light:3:orientation | 270 |
| seamark:light:3:range | 8 |
| seamark:light:4:category | directional |
| seamark:light:4:character | Q |
| seamark:light:4:colour | red |
| seamark:light:4:orientation | 273 |
| seamark:light:4:range | 6 |
| seamark:light:reference | D 0856 |
| seamark:name | Ile de Sein |
| seamark:radio_station:category | ais |
| seamark:type | light_major |
| source | ANFR 08/2019 |
| source:heritage | data.gouv.fr, Ministère de la Culture - 2016 |
| source:name:br | ofis publik ar brezhoneg |
| start_date | C20 |
| wikidata | Q1542909 |
| wikipedia | fr:Grand phare de l'île de Sein |