| DIVISION | HOST | CONTACT | EMAIL | DATES | HOST YEAR(S) |
| 8U AAA |
|
|
| August 27-31 |
|
| 8U AA | Brantford | Steve Knights | bmbatournys@gmail.com | August 27-31 | 2025 & 2026 |
| 8U A | Northumberland | James Baxter
| tournaments@northumberlandbaseball.ca
| August 27-31 | 2026 & 2027 |
| 8U B | Leamington | Steve Marshall | sfmarshall83@gmail.com | August 27-31 | 2025 & 2026 |
| 9U AAA | Oshawa | Jeff Clarkson
| jeffclarkson84@gmail.com
| August 27-31 | 2026 & 2027
|
| 9U AA | Cambridge | Matt Yeaman | matt.yeaman@cmbaball.ca | August 27-31 | 2025 & 2026 |
| 9U A | Tecumseh | Brendan Lane | blane@tmba.ca | August 27-31 | 2025 & 2026 |
| 9U B | Chatham | Ryan Presley | tournaments.cmba@gmail.com | August 27-31 | 2025 & 2026 |
| 9U C | Kingsville | Tyler Bradbury
| tyler.bradbury@hotmail.com
| August 27-31 | 2026 & 2027
|
| 9U D | Dresden | Ryan McFadden | mcfaddenagservices@gmail.com | August 27-31 | 2025 & 2026 |
| 10U AAA | Clarington | Jay Cannings
| tournaments@claringtonbaseball.ca
| LDW: September 3-7
| 2026 & 2027
|
| 10U AA | Brantford | Steve Knights | bmbatournys@gmail.com | LDW: September 3-7 | 2025 & 2026 |
| 10U A | Cambridge | Shona Majuery
| shona.majuery@cmbaball.ca
| LDW: September 3-7 | 2026 & 2027
|
| 10U B | Midland | Douglas Beckett
| dougbeckett30@gmail.com
| LDW: September 3-7
| 2026 & 2027
|
| 11U AAA | Riverside | Tom Laporte | tlaporte3@cogeco.ca | LDW: September 3-7 | 2025 & 2026 |
| 11U AA | Greater Niagara | Neil Alderton
| nalder@cogeco.ca
| LDW: September 3-7 | 2026 & 2027
|
| 11U A | Sault Ste. Marie | Chris Walls
| wallsy29@gmail.com
| LDW: September 3-7 | 2026 & 2027
|
| 11U B | Pelham | Kevin deboer | rep@pmba.ca | LDW: September 3-7 | 2025 & 2026 |
| 11U C | Listowel | Kyle Hollinger
| kylehollinger5@hotmail.com
| LDW: September 3-7 | 2026 & 2027
|
| 11U D | Valley East | Valley East
| cmcdavid@live.com
| LDW: September 3-7 | 2026 & 2027
|
| 12U AAA | Waterloo | Ken Vander Vleuten | ken.vandervleuten@waterloobaseball.ca | LDW: September 3-7 | 2025 & 2026 |
12U AA
| Hamilton | Bill Tunney
| b.tunney008@gmail.com
| LDW: September 3-7
| 2026 & 2027
|
| 12U A | Quinte | Chad Crawford | chadcrawford5@gmail.com | LDW: September 3-7 | 2025 & 2026 |
| 12U B | Chatham | Ryan Presley | tournaments.cmba@gmail.com | LDW: September 3-7 | 2025 & 2026 |
13U AAA
| Vaughan | Dirk Drieberg | double.d@rogers.com | LDW: September 3-7 | 2025 & 2026 |
| 13U AA | Mississauga SW | Bruce Thompson | clubhouse@msbabaseball.ca | LDW: September 3-7 | 2025 & 2026 |
| 13U A | Kitchener | Mike Savoie
| mike.savoie@kitchenerminorbaseball.ca
| LDW: September 3-7 | 2026 & 2027
|
| 13U B |
|
|
| LDW: September 3-7 |
|
| 13U C | Welland | Greg Leone | greg@wellandminorbaseball.ca | LDW: September 3-7 | 2025 & 2026 |
| 13U D | Saugeen Shores | Eric Dunn
| baron.morte66@gmail.com
| LDW: September 3-7 | 2026 & 2027
|
| 14U AAA | Etobicoke | Steve Watson | watson_s@rocketmail.com | LDW: September 3-7 | 2025 & 2026 |
| 14U AA | Brantford | Steve Knights | bmbatournys@gmail.com | LDW: September 3-7 | 2025 & 2026 |
| 14U A | North London | Jamy Brodt
| nlbaseballtreasurer@gmail.com
| LDW: September 3-7 | 2026
|
| 14U B | Leamington | Kevin Gale
| kevin@gabrieles.com
| LDW: September 3-7 | 2026 & 2027
|
| 15U AAA | Vaughan | Dirk Drieberg | double.d@rogers.com | LDW: September 3-7 | 2025 & 2026 |
| 15U AA | Seaway Surge | Calvin Medynski
| calvinmedynski@gmail.com
| LDW: September 3-7 | 2026 & 2027
|
15U A
| Muskoka | Peter Haynes
| muskokahornets@rogers.com
| LDW: September 3-7
| 2026 & 2027
|
| 15U B | Simcoe | Aaron LaPorte
| aaronlaporte@hotmail.com
| LDW: September 3-7 | 2026 & 2027
|
| 15U C | Thorold | Chris Ciolfi | chris_ciolfi@hotmail.com | LDW: September 3-7 | 2025 & 2026 |
| 15U D |
|
|
| LDW: September 3-7 |
|
| 16U AAA | Aurora King | Aaron Preiano | marketing@akba.ca | LDW: September 3-7 | 2025 & 2026 |
| 16U AA | Burlington | Frank Cadamone | tournaments@baseballburlington.com | LDW: September 3-7 | 2025 & 2026 |
| 16U A | Quinte | Chad Crawford | chadcrawford5@gmail.com | LDW: September 3-7 | 2025 & 2026 |
| 16U B | Port Lambton | Jake Lozon
| jlozon.rlsn@gmail.com
| LDW: September 3-7 | 2026 |
| 18U AAA | Hamilton | Jeff Schwoob | hamcardinalspresident@gmail.com | August 13-16 | 2025 & 2026 |
| 18U AA | Windsor Stars | Mark Rajsigl
| mark12raj@gmail.com
| August 13-16
| 2026 & 2027
|
| 18U A | Clarington | Jay Cannings
| repdirector@claringtonbaseball.ca
| August 13-16
| 2026 & 2027
|
| 18U B | Chatham | Ryan Presley | tournaments.cmba@gmail.com | August 20-23
| 2025 & 2026 |
| 18U C | St. Thomas | Derek Brooks
| tournamentregistration@rogers.com
| August 13-16
| 2026 |
| 22U AA |
|
|
| August 7-9 |
|
| 22U A | London West and Londond Talons
| Thomas Zadorsky
| thomaszadorsky41@gmail.com
| August 7-9
| 2026 |
| 22U B |
|
|
| August 7-9
|
|
| SENIOR AA | Kingcardine | Greg Stepaniak
| gmstepan@hotmail.com
| August 28-30 | 2026 & 2027
|
| SENIOR A | Thorold | Carmine Ciolfi | cpciolfi@vaxxine.com | August 28-30 | 2025 & 2026 |
| SENIOR B | Corunna | Chris VanGrimberghe
| c.vangrim@gmail.com
| August 28-30 | 2026 & 2027
|
| SENIOR C | Port Hope | Bobby Gilligan | bobbygilligan17@gmail.com | August 28-30 | 2025 & 2026 |