Teach At Gilboa Quarry

Teach at Gilboa Quarry – Premier Midwest Dive Training Location in Ottawa, Ohio

Located at 3763 Old State Route 224, Ottawa, OH 45875, Gilboa Quarry is one of the Midwest’s top-rated freshwater SCUBA and technical dive training locations, attracting instructors, divemasters, and freediving professionals from across Ohio, Indiana, Michigan, and beyond.

With world-class underwater facilities, extensive training infrastructure, and diver-friendly policies, Gilboa Quarry is the perfect choice for professionals seeking a reliable and convenient Midwest location to run classes and certifying dives.

Why Choose Gilboa Quarry to Teach?

Gilboa Quarry offers a safe, well-equipped, and instructor-oriented environment for all levels of dive instruction—from open water to technical training, freediving, and specialty certifications.

Underwater Teaching Amenities

• 6 SCUBA docks with easy entry and exit
  • 1 dock on the deep end (140 ft)
  • 5 docks on the shallow side (0–60 ft)
• 10 dedicated underwater training platforms:
  • Platforms 1 & 2 at 13 ft
  • Platforms 3 & 4 at 15 ft
  • Platforms 5–10 at 20 ft
• Gutted structures: 36 ft Grumman Gulfstream I plane and 35 ft Sikorsky S-56 Mojave helicopter
• Two submerged school buses and multiple small boat wrecks
• Natural flooded tree zones for navigation and rescue training
• Excellent visibility and water clarity throughout the year
• Summer water temperatures: mid 70s°F at the surface to 40s°F at depth

Instructor Benefits

• Free quarry entry and banked air & nitrox fills for instructors while teaching a class
• Discounted camping fees for dive days spent teaching classes
• Classroom reservations available upon request (subject to availability, free of charge)
• Priority dock use for scheduled training sessions
• Early access to event calendars and group scheduling

Surface-Side Amenities

• First Aid, Emergencey O2, and AED on-site
• Full-service fill station:
  • Banked air fills
  • Blended Nitrox
  • Custom O₂ blends
  • Rebreather fills
• Dive gear rentals available for instructors and students
• Onsite bathhouse with flushable toilets, sinks, and hot showers
• Tent and RV camping available onsite
  • Select RV sites with water hookups and up to 50-amp service
• Nearby lodging in Ottawa and Findlay, plus limited onsite lodging options

Ideal for All Training Levels

Whether you’re conducting open water checkout dives, advanced night dives, deep certifications, rescue scenarios, technical dive training, or freediving instruction, Gilboa Quarry provides the controlled and varied environment you need to train students safely and effectively.

Ready to Apply?

Join hundreds of instructors and dive professionals who have chosen Gilboa Quarry as their trusted Midwest training site. Contact us today to register, reserve your classroom, and start planning your next course.

Specialty and Freediving Courses

• Freediver – Level 1
• Freediver – Level 2
• Freediver – Advanced
• Public Safety Diver
• Public Safety Full Face Mask Diver
• Rebreather Maintenance
• Rebreather Support Diver
• Sidemount Diver
• Stage Decompression Diving
• Surface Marker Buoy (SMB) Deployment
• Technical Rescue Diver
• Technical Sidemount