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