| Accreditation | Unaccredited |
| Admin_hierarchy | /Channel Islands |
| DOMUS_Subject_Matter | military |
| DOMUS_identifier | 440 |
| Geodemographic_subgroup | |
| Geodemographic_subgroup_code | |
| Governance | Government-Local_Authority |
| Identifier_used_in_source_database | SE000437 |
| Latitude | 49.453035 |
| Longitude | -2.526571 |
| Name_of_museum | Castle Cornet |
| Notes | Postcode is approximation |
| Postcode | GY1 6JN |
| Primary_provenance_of_data | domus |
| Region_country | Channel Islands |
| Size | large |
| Size_prov | domus |
| Subject_Matter | War_and_conflict-Castles_and_forts |
| Town_or_City | St Peter Port |
| Visitor_Numbers_Data | 0:70000:2015:MA(fam) |
| Year_closed | 9999:9999 |
| Year_closed_source | http://www.visitguernsey.com/castle-cornet |
| Year_opened | 1950:1950 |
| Year_opened_source | dfoundation |
| media | 0 |
| project_id | mm.domus.SE437 |