For junior baseball teams, clubs are organised into charters. Below is a list of charters along with the Metro clubs associated with each.
| CHARTER (League Age 7-16) | CLUBS |
| Carine Cats Little League | Carine Cats |
| Coastal Bay Little League | Peel, Rockingham, Secret Harbour |
| Perth Metro Central Little League | Victoria Park/Belmont, South Perth, Willetton, Melville Mariners |
| Perth Metro East Little League | Morley, Perth, Wembley |
| Perth Metro South Little League | Braves, Kardinya, Kwinana Blue Jays, Byford, Yangebup, |
| Southern Hills Little League | Gosnells Hawks, Harrisdale Hawks, Kelmscott, Roleystone |
| Sun City Little League | Alkimos, North Coast, Balcatta |
| Swan Hills Little League | Kalamunda Rangers, Swan Districts |
| Wanneroo Giants Little League | Wanneroo Giants |
| METRO CLUBS | ||
| CLUB | REGISTRAR | |
| Alkimos | Seniors: Sue Hoen | registrar.alkimosballclub@gmail.com |
| Juniors: Deb O’Leary | juniorbaseball.alkimosballclub@gmail.com | |
| Balcatta Bears | Jodie Meagher | kleinmeagher@gmail.com |
| Byford Bushrangers | Tahnee Mears | registrar@bushrangers.org.au |
| Braves Baseball Club | Kelly Golding | registrar@bravesbaseballclub.org.au |
| Carine Cats | Marina Heath | baseballregistrar@carinecats.com.au |
| Gosnells Hawks | Seniors: Caroline Adamson | gosnells.hawks@gmail.com |
| Juniors: Rebecca Youssouf | registrahawks@gmail.com | |
| Harrisdale Hawks Tee Ball & LL Baseball Club | Rebecca Waight | registrar@harrisdalehawks.com.au |
| president@harrisdalehawks.com.au | ||
| Kalamunda Rangers | Dana Knowles | Kalamunda.baseball@gmail.com |
| Kelmscott Bulldogs | Kelsey Embleton | kbc_registrar@hotmail.com |
| Kardinya Redsox | Glenn Angel | registrar@kardinyaredsox.org.au |
| Kwinana Blue Jays | Julian Zelones | bluejays.registrar@outlook.com |
| Morley Eagles | Trudy Calverley | mebcregistrar@gmail.com |
| Melville Mariners | mmtbc.enquiries@outlook.com | |
| North Coast Breakers | Stevie Moerua | tco@northcoastbreakers.com |
| Peel Diamond Sports | Naomi Morgan | pdsregistrar@peeldiamondsports.com.au |
| Perth Baseball Club | Clare Sneddon | perthbaseballclubregistrar@gmail.com |
| Rockingham Rams | Tammy Fraser | registrar.ramsbaseball@gmail.com |
| Roleystone | Phillipa Reed | roleydsregistrar@gmail.com |
| Secret Harbour Pirates | Registrar: Alison Marais | baseballregistrarshp@gmail.com |
| | ||
| South Perth Cubs | Chylee Branch | clubregistrar.spbc@gmail.com |
| Swan Districts Swans | Roxanne Ozanne | secretary.sdbc@gmail.com |
| WA Baseball Umpiring Association | Admin@wabua.org | |
| UWA Magpies (Wembley) | Seniors: Josh Mikus | registrar@uwabaseball.com.au |
| Juniors: Lauren Barendrecht | junior.registrar@uwabaseball.com.au | |
| Victoria Park/Belmont | Olivia Mayo | vpbbc.registrar@outlook.com |
| Wanneroo Giants | Carol McKenzie | registrar@wanneroogiants.com |
| Willetton Wildcats | Tori Ludlam | registrar@wbc.asn.au |
| secretary@wbc.asn.au | ||
| Yangebup Knights Junior | Natasha Olsen | tashanddaz@iinet.net.au |