- Sadleir to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Sandy Point to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Sans Souci to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Schofields to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Scotland Island to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Seaforth to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Sefton to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Seven Hills to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Shalvey to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Shanes Park to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Silverwater to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Smeaton Grange to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Smithfield to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- South Coogee to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- South Granville to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- South Hurstville to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- South Maroota to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- South Penrith to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- South Turramurra to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- South Wentworthville to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- South Windsor to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Spring Farm to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- St Clair to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- St Helens Park to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- St Ives Chase to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- St Ives to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- St Johns Park to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- St Leonards to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- St Marys to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- St Peters to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Stanhope Gardens to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Stanmore to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Strathfield South to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Strathfield to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Summer Hill to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Surry Hills to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Sutherland to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Sydney Olympic Park to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Sydney to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Sylvania Waters to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Sylvania to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Sydney Airport to Castlereagh Boutique Hotel, Ascend Hotel Collection Member
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Sadleir
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Sandy Point
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Sans Souci
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Schofields
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Scotland Island
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Seaforth
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Sefton
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Seven Hills
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Shalvey
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Shanes Park
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Silverwater
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Smeaton Grange
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Smithfield
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to South Coogee
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to South Granville
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to South Hurstville
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to South Maroota
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to South Penrith
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to South Turramurra
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to South Wentworthville
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to South Windsor
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Spring Farm
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to St Clair
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to St Helens Park
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to St Ives Chase
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to St Ives
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to St Johns Park
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to St Leonards
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to St Marys
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to St Peters
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Stanhope Gardens
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Stanmore
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Strathfield South
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Strathfield
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Summer Hill
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Surry Hills
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Sutherland
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Sydney Olympic Park
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Sydney
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Sylvania Waters
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Sylvania
- Castlereagh Boutique Hotel, Ascend Hotel Collection Member to Sydney Airport