
The Midwest’s Premier
Diving & Adventure Center!
Surface Temp
83°F (28°C)
Thermocline (22ft)
65°F (18°C)
Bottom Temp
39°F (4°C)
The Innovative Avelo System
Provides An Entirely New Experience In scuba Diving!
Benefits:
- Nearly half the weight of standard scuba.
- Much easier to learn and use.
- Streamlined, so it’s easier to move underwater and focus on the underwater world.
- Significantly improves air consumption which means longer dives.
- Safer than standard scuba.

Visit Gilboa Quarry – Ohio’s Premier Freshwater Diving Destination
Located just 20 minutes from Findlay, OH and 10 minutes from Ottawa, OH, right off I-75, Gilboa Quarry is the Midwest’s premier destination for SCUBA diving, freediving, snorkeling, and paddle sports. Known for its crystal-clear spring-fed waters, impressive underwater attractions, and the iconic 5-foot-long paddlefish, Gilboa Quarry is one of Ohio’s best-kept hidden gems.
Dive Into Adventure
Whether you’re a new diver working on your skills or an experienced technical diver preparing for your next expedition, Gilboa Quarry offers the perfect dive environment. With depths ranging from 60 to 140 feet, our site includes sunken planes, helicopters, buses, and platforms that make every dive a new adventure.
On-Site Fill Station & Dive Support
We make diving easy and convenient. Our onsite fill station offers:
- Standard air fills
- Banked Nitrox
- Custom Nitrox Blends (up to O2 100%)
- Rebreather fills
Gilboa Quarry is also a certified Avelo Dive Center. Experience the future of diving with the revolutionary Avelo Dive System—lightweight, intuitive, and buoyancy-balanced.
Rental Gear for All
Forget something? We’ve got you covered. Whether you’re a SCUBA diver, snorkeler, or just looking to paddle, we offer a full range of rental gear so you can make the most of your day on or under the water.
More Than Just Diving
Not a diver? There’s plenty to enjoy:
- Relax on our sandy swim beach
- Try kayaking, stand-up paddle boarding, or snorkeling
- Picnic along the scenic water’s edge
- Stroll into town to visit a local creamery or winery
Camping at Gilboa Quarry
Want to stay the night? Gilboa Quarry offers both RV and tent camping for a complete weekend experience:
- Tent camping available on a first-come, first-served basis
- RV sites available by reservation
- Select sites include water hookups and up to 50-amp electrical service
Wake up to scenic quarry views and enjoy the convenience of camping just steps away from your next dive or paddle session.
Comfort & Convenience
Our 24/7-access bathhouse is equipped with hot showers, changing rooms, and flushable toilets, ensuring your comfort no matter the time of day.
Always Evolving
We’re constantly improving and expanding the quarry to offer new amenities and experiences for our guests. Stay tuned for exciting updates as we continue building a place where adventure and community meet.
Get Directions
to Gilboa Quarry
3763 Old State Rte 224, Ottawa, OH 45875



