| Cassville Golf Club | Cassville | Missouri |  United States of America | inactive |
| Casta del Sol Golf Course | Mission Viejo | California | United States of America | inactive |
| Castanhal Golf Club | Castanhal | Para |  Brazil | inactive |
| Castell Coch Golf Club | Tongwynlais | Cardiff |  Wales | inactive |
| Castell de Godmar | Badalona | Cataluna |  Spain | inactive |
| Castell Heights Golf Club | Caerphilly | Caerphilly | Wales | inactive |
| Castellaro Golf Resort | Castellaro | Liguria |  Italy | inactive |
| Castello di Tolcinasco Blue/Yellow | Pieve Emanuele | Lombardia | Italy | Active |
| Castello di Tolcinasco Red/Blue | Pieve Emanuele | Lombardia | Italy | Active |
| Castello di Tolcinasco Yellow/Red | Pieve Emanuele | Lombardia | Italy | Active |
| Casterton Golf Club | Casterton | Cumbria | England | inactive |
| Casterton Golf Club | Casterton | Victoria |  Australia | inactive |
| Castiglion del Bosco | Montalcino | Toscana | Italy | inactive |
| Castilla | Mazatlan | Sinaloa |  Mexico | inactive |
| Castine Golf Club | Castine | Maine | United States of America | inactive |
| Castle | Pocheon | Gyeonggi |  South Korea | inactive |
| Castle | Lahinch | Clare |  Ireland | inactive |
| Castle Barna Golf Club | Daingean | Offaly | Ireland | inactive |
| Castle Bay Country Club | Hampstead | North Carolina | United States of America | inactive |
| Castle Creek Country Club | Escondido | California | United States of America | inactive |
| Castle Creek Golf Club | Lum | Michigan | United States of America | inactive |
| Castle Dargan Golf Hotel & Wellness | Ballygawley | Sligo | Ireland | inactive |
| Castle Douglas Golf Club | Castle Douglas | Dumfries and Galloway | Scotland | inactive |
| Castle Eden Golf Club | Hartlepool | County Durham | England | inactive |
| Castle Golf Club | Rathfarnham | Dublin | Ireland | inactive |
| Castle Hawk Golf Club | Lancashire | Greater Manchester | England | inactive |
| Castle Highlands Golf Course | Bemidji | Minnesota | United States of America | inactive |
| Castle Hill Country Club | Hoi | Aichi |  Japan | inactive |
| Castle Hill Golf Club | Baulkham Hills | New South Wales | Australia | inactive |
| Castle Hills Golf Club | New Castle | Pennsylvania | United States of America | inactive |
| Castle Hills Golf Course | Vandalia | Ohio | United States of America | inactive |
| Castle Hume Golf Club | Enniskillen | Fermanagh | Northern Ireland | inactive |
| Castle Oaks Golf Club | Ione | California | United States of America | inactive |
| Castle Pine Golf Club | Yeoju | Gyeonggi | South Korea | inactive |
| Castle Pines Country Club | Gardendale | Alabama | United States of America | inactive |
| Castle Point Golf Centre | Canvey Island | Essex | England | inactive |
| Castle Rock Golf and Recreation | Pembroke | Virginia | United States of America | inactive |
| Castle Rock Golf Course | Mauston | Wisconsin | United States of America | inactive |
| Castle Royle Golf & Country Club | Reading | Berkshire | England | inactive |
| Castle Shannon Golf Course | Hopedale | Ohio | United States of America | inactive |
| Castle Stuart Golf Links | Inverness | The Highlands | Scotland | inactive |
| Castlebar Golf Club | Castlebar | Mayo | Ireland | inactive |
| Castlecliff Golf Club | Wanganui | Manawatu-Wanganui |  New Zealand | inactive |
| Castlecomer Golf Club | Castlecomer | Kilkenny | Ireland | inactive |
| Castlecove Country Club | Castlecove | New South Wales | Australia | 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 | Ireland | inactive |
| Castleisland Golf Club | Castleisland | Kerry | Ireland | inactive |
| Castleknock Golf Club | Diswellstown | Dublin | Ireland | inactive |