| Name | School | Sub-Type |
|---|---|---|
| Skagit Island Volleyball Academy | Category 3: Youth Sports Groups | |
| Skagit Valley College Baseball | ||
| Skookum Kids | Category 2: Category 2: Non-Profit Youth Centric Groups | |
| Society for Creative Anachronism | Category 4: Non-Profit Groups, full description on district ... | |
| Southside Bball Club | Category 3: Youth Sports Groups | |
| Southside Swish 8th GRADE AAU - Grahn | Category 3: Youth Sports Groups | |
| Southside Swish Basketball - 6th Grade - Aven | Category 3: Youth Sports Groups | |
| Southside men's basketball | Fairhaven Middle School | |
| Special Olympics | Category 3: Youth Sports Groups | |
| Spiritual Assembly of the Baha'i's of Bellingham | ||
| Spyglass Homeowner's Association | Category 4: Non-Profit Groups, full description on district ... | |
| Squalicum High School Lacrosse | Category 1: District, School or Affiliated Groups | |
| Squalicum Musical Theatre Institute | Squalicum High School | Category 1: District, School or Affiliated Groups |
| Squid Inc. | Category 4: Non-Profit Groups, full description on district ... | |
| Steve Kirk | Category 3: Youth Sports Groups | |
| Strategic Kids Collaborative Inc. | Category 2: Category 2: Non-Profit Youth Centric Groups | |
| Sunnyland Neighborhood Association | Category 4: Non-Profit Groups, full description on district ... | |
| Sunnyland PTA | Category 1: District, School or Affiliated Groups | |
| Sweet & Salty Bellingham | Category 5: Commercial Enterprises | |
| TEST - not a real group | Category 4 - Interlocal Agreement | |
| Taylor Rapp Camper | ||
| Teaching for the Climate Collaborative | Category 1: District, School or Affiliated Groups | |
| Team 360 Hoops(Basketball) | Category 3: Youth Sports Groups | |
| Tennis After School Zone | ||
| Tennis Tournament Players | Sehome High School | |
| Test group | ||
| Testing Testing | ||
| Than Hoops | Category 4: Non-Profit Groups, full description on district ... | |
| The Bridge | Category 4: Non-Profit Groups, full description on district ... | |
| The Church in Bellingham | Category 4: Non-Profit Groups, full description on district ... |
