| Roll Tax | 120117 | Laser 7 | Dinghy Class | Mr Allen Vince |
| RS200 | 1734 | RS200 | Dinghy Class | Will Grout |
| RS500 506 | 506 | RS500 | Dinghy Class | Richard Green |
| Samphire | WM28 | MFOB | Mersea Fisherman's Open Boats | Lou Cohen |
| Sandhopper | GBR 3198L | Parker 27 | YTC Cruisers | Ernie Breavington |
| Scherzo | GBR8122N | Slow | Sonata One Design | Robert Hawkins |
| Sea dpinner | 125 | Oceanis 34 ( white Sail) | YTC White Sail Cruisers | Paul Gosling |
| Seahawk 11 | GBR 4475 L | Hanse 311 | YTC White Sail Cruisers | Andrew Stebbing |
| Serenity | MI01 | MFOB | Mersea Fisherman's Open Boats | Becca Brown |
| Silver Spray | CK163 | MFOB Bumkin | Mersea Fisherman's Open Boats | Mark Hughes |
| Skybird | 8452 | MGC27 | YTC Cruisers | Victor Prior |
| Skylark | MN52 | Smack | Smacks | Russell Clarke |
| Slinky | 177600 | ILCA6 | Dinghy Class | NIck Law |
| Slippery When Wet | 7410 | Albacore | Dinghy Class | Ben Woodcraft |
| Smiffy | 4544 | Half Ton 'supernova' | YTC Cruisers | Matthew Fletcher |
| Spring Sonata | 8369N | Sonata | Sonata One Design | Sally Ann Turnbull |
| Starfall II | GBR 4292 | Sigma 33 OOD | YTC White Sail Cruisers | Jack Trollope |
| Still Smiling Too | 2305 | 2000 | Dinghy Class | Nik Antoniades |
| Stryder | 611 | Nordic Folkboat | YTC Classic Yachts & Gaffers | Robin Dutton |
| Sunbeam | CK328 | Smack | Smacks | John Minister |
| T Bone | 7795 | Wayfarer Mk2 | Dinghy Class | Garry Wren |
| Tamarisk | 4729L | Oceanis Clipper 323 | YTC White Sail Cruisers | Rob Smith |
| Tearaway | 9977 | MGC27 | YTC Cruisers | Lucy Aird-Brown |
| Three Little Birds | 3333x | Tofinou 8 | YTC Cruisers | Ben Simpson |
| Thrift | WM3 | MFOB | Mersea Fisherman's Open Boats | David Haynes |
