Commercial Dive Services Ontario | Underwater Inspections, Recovery & Marine Divers

Professional commercial dive services across Ontario’s lakes, rivers, marinas, and harbours.

 

​Mammoth Marine Canada provides certified commercial divers and technical swimmers for underwater inspections, vessel maintenance, salvage support, search and recovery, and marine construction projects throughout Ontario.

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Operating in low visibility freshwater environments, our experienced dive teams are equipped to safely perform precision underwater work in marinas, inland lakes, rivers, docks, and industrial waterfronts.

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Whether you need a diver to clear a propeller, inspect underwater structures, recover lost equipment, or assist with marine salvage, Mammoth Marine Canada delivers professional underwater solutions anywhere in Ontario.​​

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Our dive and swim services support:

• Boat owners

• Marinas

• Yacht clubs

• Marine contractors

• Construction companies

• Environmental agencies

• Municipal waterfronts

• Commercial marine operators

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📞 24/7 Emergency Marine Assistance: 226-542-6673

🌐 www.mammothmarinecanada.com

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Certified Commercial Divers & Technical Swimmers for Ontario Waters

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Ontario’s freshwater environments present unique challenges including low visibility, cold water, silt bottoms, and complex underwater infrastructure. Our divers are trained to operate in these demanding conditions using professional dive equipment and proven safety procedures to complete underwater work efficiently.​

We provide dive services throughout:

• Lake Huron

• Lake Ontario

• Georgian Bay

• Lake Erie

• Muskoka Lakes

• Kawartha Lakes

• Ontario marinas and harbours

• Inland rivers and waterways

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Underwater Inspections for Marine Structures and Vessels

Our dive teams perform detailed underwater inspections to assess the condition of vessels and waterfront infrastructure. Professional underwater inspections help detect structural damage, corrosion, and safety hazards before they become costly problems.​

Common inspection services include:

• Dock and marina inspections

• Seawall inspections

• Bridge and structural inspections

• Vessel hull inspections

• Mooring system inspections

• Underwater intake and outfall inspections

• Marina infrastructure inspections

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We can provide high resolution underwater video and photographic documentation for engineering reports, maintenance planning, or insurance requirements.

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Underwater Search and Recovery Services

If something valuable has been lost underwater, our divers & technical swimmers provide professional underwater search and recovery across Ontario. Using precision search techniques and sonar when required, we can locate and recover items even in murky freshwater with extremely limited visibility.​

Common recovery items include:

• Phones dropped off boats

• Anchors and chain systems

• Construction tools and equipment

• Jewelry or personal valuables

• Lost marine hardware

• Scientific instruments

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Our divers & swimmers regularly recover items from marinas, docks, lakes, and river bottoms across Ontario.

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Boat Propeller Clearing and Running Gear Recovery

A rope or fishing line tangled in your propeller can instantly disable a vessel.​

Mammoth Marine Canada divers safely remove:

• Rope wrapped around propellers

• Fishing line entanglement

• Nets or weeds caught in running gear

• Debris fouling shafts or rudders

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This service allows boaters to get back on the water quickly without requiring a haul-out.

Propeller clearing is one of the most requested emergency dive services in Ontario marinas.

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In-Water Hull Cleaning and Vessel Maintenance

Over time, marine growth and debris buildup can reduce vessel performance.​

Our divers & swimmers provide in-water hull cleaning services that help maintain:

• Vessel speed

• Fuel efficiency

• Propeller performance

• Thruster efficiency

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Hull cleaning services include:

• Light biofouling removal

• Running gear cleaning

• Thruster tunnel cleaning

• Visual hull inspections

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Routine underwater cleaning helps keep boats operating efficiently throughout the season.

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Marine Salvage Dive Support

Commercial divers & technical swimmers play a critical role in marine salvage operations.​

Our divers & swimmers assist with vessel recovery by performing underwater tasks such as:

• Rigging lift points

• Installing flotation lift bags

• Inspecting submerged vessels

• Patching damaged hulls

• Clearing underwater debris

• Preparing vessels for recovery lifts

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We support boat salvage operations across Ontario’s lakes and waterways.

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Dive Support for Marine Construction Projects

Our divers provide underwater assistance for marine construction and infrastructure projects.

Construction dive services include:

• Underwater cutting and removal

• Debris clearing from work sites

• Rigging for underwater lifting

• Structural inspections during construction

• Installation of underwater components

• Silt curtain placement and environmental protection

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We frequently support dock builders, waterfront contractors, municipalities, and marine engineering projects.

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Environmental and Scientific Diving

Mammoth Marine Canada supports environmental monitoring and ecological research operations.​

Our divers assist with:

• Aquatic habitat inspections

• Invasive species removal

• Environmental monitoring surveys

• Silt curtain deployment

• Eco-sensitive underwater operations

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These operations help protect Ontario’s freshwater ecosystems.