We are a small team of experienced diving professionals who love diving, and it shows! We take pride in offering the highest level of service and our combined experience means there isn’t much we can’t help you with.


Callum Girvan

AKA the Big Kahuna! Along with sipping Hendricks gin, Callum’s other favourite activities include talking about rebreathers, all things Shearwater or Fourth Element and Doza.

Scuba Instructor Since 1994


  • TDI Instructor Trainer
  • SDI Instructor Trainer
  • PADI Master Scuba Diver Trainer
  • TDI Closed Circuit Rebreather Instructor – JJ-CCR, Poseidon MK6 & Se7en
  • TDI Sidemount Diver
  • Certified Service Technician


Sarah Stoneham

Team mum, animal whisperer and the voice of reason. Sarah is the resident PADI Course Director of Perth and has been teaching instructors for over 15 years now. When she’s not in the store Sarah is working on her post grad uni studies, walking her two boys Doza & Charlie through the Perth Hills, or drinking bubbly while giggling with friends.

Scuba Instructor Since  1994


  • PADI Course Director
  • PADI Emergency First Response Instructor Trainer
  • PADI Specialty Diver Instructor Trainer
  • SDI Instructor Trainer
  • TDI Advanced Nitrox and Decompression Procedures Instructor
  • TDI Closed Circuit Rebreather Diver – Poseidon Se7en


Emma Burdett

Scuba instructor, Freedive enthusiast and underwater photography guru! Emma AKA Emmerison Underwater brings the kiwi spirit to the team and loves to brag about the rugby. When she’s not taking photos under the sea, she’s lifting heavy things in the gym or freelancing as a visual designer.

Scuba Instructor Since 2009


  • PADI Master Scuba Diver Trainer
  • PADI EFR Instructor
  • PADI Specialty Instructor for Wreck, Deep, Nitrox, Underwater Photography, Dry Suit and Peak Performance Buoyancy
  • TDI Closed Circuit Rebreather Diver – Poseidon Se7en
  • Apnea International Stage B Freediver


Ben Ferguson

Scuba Instructor Since 2007


  • PADI Staff Instructor
  • PADI Specialty Course Instructor
  • TDI Advanced Nitrox & Decompression Procedures Instructor
  • TDI Sidemount Instructor
  • SDI Solo Diver Instructor
  • SDI Specialty Instructor
  • TDI Closed Circuit Rebreather Diver – Poseidon MK6Advanced Trimix Diver
  • CDAA Deep Cavern Diver
  • Qualified Service Technician
  • Certified Mixed Gas Blender