| Castle Pine Golf Club | Yeoju | Gyeonggi |  Sydkorea | inactive |
| Castle Pines Country Club | Gardendale | Alabama |  USA | inactive |
| Castle Point Golf Centre | Canvey Island | Essex |  England | inactive |
| Castle Rock Golf and Recreation | Pembroke | Virginia | USA | inactive |
| Castle Rock Golf Course | Mauston | Wisconsin | USA | inactive |
| Castle Royle Golf & Country Club | Reading | Berkshire | England | inactive |
| Castle Shannon Golf Course | Hopedale | Ohio | USA | inactive |
| Castle Stuart Golf Links | Inverness | The Highlands | Skotland | inactive |
| Castlebar Golf Club | Castlebar | Mayo |  Irland | inactive |
| Castlecliff Golf Club | Wanganui | Manawatu-Wanganui |  New Zealand | inactive |
| Castlecomer Golf Club | Castlecomer | Kilkenny | Irland | inactive |
| Castlecove Country Club | Castlecove | New South Wales |  Australien | inactive |
| Castlefields Golf Club | Brighouse | West Yorkshire | England | inactive |
| Castlegar Golf Club & RV Park | Castlegar | British Columbia |  Canada | inactive |
| Castlegregory Golf and Fishing Club | Castlegregory | Kerry | Irland | inactive |
| Castlegregory Golf Links | Castlegregory | Kerry | Irland | Aktiv |
| Castleisland Golf Club | Castleisland | Kerry | Irland | inactive |
| Castleknock Golf Club | Castleknock | Dublin | Irland | inactive |
| Castlemaine Golf Club | Castlemaine | Victoria | Australien | inactive |
| Castlemartyr Resort | Castlemartyr | Cork | Irland | Aktiv |
| Castlemartyr Resort | Castlemartyr | Cork | Irland | inactive |
| Castlepoint Golf Club | Whakataki | Wellington | New Zealand | inactive |
| Castlerea Golf Club | Castlerea | Roscommon | Irland | inactive |
| Castlereagh Hills Golf Club | Belfast | Down | Nordirland | inactive |
| Castlerock Golf Club | Castlerock | Londonderry | Nordirland | Aktiv |
| Castlerock Golf Club Bann Course | Castlerock | Londonderry | Nordirland | Aktiv |
| Castlerock Golf Club Mussenden Course | Castlerock | Londonderry | Nordirland | Aktiv |
| Castlerosse Golf Club | Killarney | Kerry | Irland | inactive |
| Castletown Golf Links | Derbyhaven | Isle of Man |  Isle of Man | Aktiv |
| Castletown Golf Links | Derbyhaven | Isle of Man | Isle of Man | Aktiv |
| Castletroy Golf Club | Castletroy | Limerick | Irland | inactive |
| Castlewarden Golf Club | Castlewarden | Kildare | Irland | inactive |
| Castlewood Country Club | Pleasanton | California | USA | inactive |
| Castlewood Golf Course | Castlewood | South Dakota | USA | inactive |
| Castlewood Golf Course | Forest Lake | Minnesota | USA | inactive |
| Castlewoods Country Club | Brandon | Mississippi | USA | inactive |
| Castlex Jeju Golf Club | Seogwipo | Jeju | Sydkorea | inactive |
| Castlex Qingdao Golf and Resort | Qingdao | Shandong |  Kina | inactive |
| Castlex Seoul Golf Club | Hanam | Gyeonggi | Sydkorea | inactive |
| Castor Golf Club | Castor | Alberta | Canada | inactive |
| Castro Marim Golfe and Country Club | Castro Marim | Algarve |  Portugal | Aktiv |
| Castro Marim Golfe and Country Club | Castro Marim | Algarve | Portugal | Aktiv |
| Castropol Golf | Castropol | Asturias |  Spanien | inactive |
| Caswell Pines Golf Club | Yanceyville | North Carolina | USA | inactive |
| Catalina Country Club | Batemans Bay | New South Wales | Australien | inactive |
| Catalina Island Golf Club | Avalon | California | USA | inactive |
| Catalonia Cabeza De Toro | Bavaro | La Altagracia |  Den Dominikanske Republik | inactive |
| Catalonia Caribe Club | Bavaro | La Altagracia | Den Dominikanske Republik | inactive |
| Catamount Golf Club | Williston | Vermont | USA | inactive |
| Catamount Ranch & Club | Steamboat Springs | Colorado | USA | inactive |