| Equid | Horse Name ▲ | Breed | Age | Gender | Color | Discipline | Owner |
|---|---|---|---|---|---|---|---|
| 421923B | Seamless Login | Thoroughbred | SY24 (4yo) | Mare | Grey Sabino | FR | Lissa |
| 109020B | Seas The Beast | Thoroughbred | SY20 (8yo) | Stallion | Palomino Sabino | HU | Manders |
| 428823C | Seattle Slewfoot | Thoroughbred | SY23 (5yo) | Stallion | Bay | TC | Morrigan |
| 124320C | Seattle's Final Dream | Thoroughbred | SY20 (8yo) | Mare | Chestnut | CC | Manders |
| 251417C | Sebastian | Welsh Pony | SY17 (11yo) | Stallion | Bay | JP | Lorelei |
| 421623B | Second Guess | Thoroughbred | SY24 (4yo) | Mare | Chestnut Rabicano Sabino | FR | Lissa |
| 122114C | Second Mortgage | Knabstrupper | SY14 (14yo) | Stallion | Bay Leopard | EV | Lissa |
| 328921B | Secret Boyfriend | Quarter Horse | SY21 (7yo) | Stallion | Bay Roan | EV | Merry |
| 123621C | Secret Garden | Thoroughbred | SY21 (7yo) | Mare | Grey | JP | Manders |
| 423623B | Secret Raptor | Thoroughbred | SY24 (4yo) | Mare | Smoky Black Sabino | FR | Lissa |
| 326921B | Secret Stash | Quarter Horse | SY21 (7yo) | Mare | Chestnut | EV | Rhianon |
| 084214B | Secret Sunset | Tiger Horse | SY14 (14yo) | Mare | Amber Champagne Roan Blanket | EN | Jen |
| 204717C | Secretly Brilliant | Thoroughbred | SY17 (11yo) | Mare | Palomino | HU | Jewel |
| 144717C | Secrets and Shadows | Danish Warmblood | SY17 (11yo) | Stallion | Bay | CC | The Orchard |
| 515925B | Secrets On The Rox | Thoroughbred | SY25 (3yo) | Mare | Bay | FR | Rhianon |
| 271321C | See Me Spin | Quarter Horse | SY21 (7yo) | Mare | Chestnut | WW | Merry |
| 071615S | Seestermuhe | Holsteiner | SY15 (13yo) | Mare | Bay | EV | Manders |
| 398822B | Sehnsucht M | Brandenburger | SY22 (6yo) | Mare | Grey | JP | Merry |
| 499925B | Sekhmet | Arabian | SY25 (3yo) | Mare | Grey | AR | Lorelei |
| 231722C | Sensational Sherri | Thoroughbred | SY22 (6yo) | Mare | Bay | FR | Lissa |
| 475818S | Sentinel | Holsteiner | SY18 (10yo) | Stallion | Bay | EV | The Orchard |
| 392222B | Sereia M | Lusitano | SY22 (6yo) | Mare | Black Pearl | WE | Merry |
| 009519C | Serena | Criollo | SY19 (9yo) | Mare | Grulla | WW | Jewel |
| 473219S | Serenata | Andalusian | SY19 (9yo) | Mare | Black | DG | Manders |
| 096611S | Serenity | Welsh Pony | SY11 (17yo) | Mare | Chestnut | DV | Soleil |
