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 Underwater specialists for 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 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 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 underwater 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 Divers & Technical Underwater Specialists Serving Ontario Waters

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Providing underwater inspections, marine salvage support, vessel recovery, search operations, environmental response, and specialized diving services throughout Ontario's lakes, rivers, harbours, and waterways.​

We provide 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

Mammoth Marine Canada's certified divers provide professional underwater inspections for vessels, marine infrastructure, and waterfront assets throughout Ontario. Our inspection services help identify structural deficiencies, corrosion, damage, and potential safety concerns before they become costly repairs.

Our underwater inspection services include:

• Dock and marina inspections

• Seawall and shoreline structure inspections

• Bridge and marine infrastructure inspections

• Vessel hull and running gear inspections

• Mooring and anchoring system inspections

• Underwater intake and outfall inspections

• Municipal and industrial waterfront inspections

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High-resolution underwater video, photography, and detailed reporting can be provided to support engineering assessments, maintenance planning, insurance claims, and regulatory compliance.

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Underwater Search & Recovery Services

When equipment, valuables, or critical assets are lost underwater, our commercial dive teams utilize proven search techniques, sonar technology, and specialized recovery equipment to locate and retrieve submerged items safely and efficiently.

Common recovery operations include:

• Phones and electronic devices

• Anchors and mooring equipment

• Construction tools and machinery

• Marine hardware and vessel components

• Scientific and monitoring equipment

• Personal valuables and specialty items

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We regularly conduct search and recovery operations in marinas, harbours, lakes, rivers, and inland waterways across Ontario.

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Emergency Propeller & Running Gear Clearing

A fouled propeller or entangled running gear can quickly leave a vessel disabled. Our commercial divers provide rapid-response underwater services to restore vessel operation without the need for costly haul-outs.

Services include:

• Rope and line removal

• Fishing line entanglement removal

• Net and debris clearing

• Weed and aquatic vegetation removal

• Propeller, shaft, and rudder inspections

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This is one of the most requested emergency diving services for recreational and commercial vessels throughout Ontario.

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In-Water Hull Cleaning & Underwater Maintenance

Routine underwater maintenance helps improve vessel performance, fuel efficiency, and operational reliability.

Our services include:

• Hull cleaning

• Running gear cleaning

• Propeller maintenance

• Thruster tunnel cleaning

• Underwater condition assessments

• Visual hull inspections

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Regular maintenance can reduce drag, improve fuel economy, and extend the service life of critical vessel components.

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Marine Salvage Dive Support

Commercial diving is a critical component of successful marine salvage and vessel recovery operations. Mammoth Marine divers support salvage projects ranging from recreational vessels to commercial marine assets.

Dive support services include:

• Underwater vessel assessments

• Lift bag installation and rigging

• Salvage preparation and recovery support

• Hull patching and damage mitigation

• Debris removal and hazard clearance

• Recovery rigging and lifting operations

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Our teams support marine salvage and wreck recovery projects throughout Ontario's lakes, rivers, and waterways.

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Dive Support for Marine Construction Projects

Mammoth Marine provides professional dive support for marine construction, infrastructure rehabilitation, and waterfront development projects.

Services include:

• Underwater cutting and removal

• Rigging and lifting support

• Construction inspections

• Debris clearing and site preparation

• Installation of underwater components

• Silt curtain deployment and monitoring

• Environmental protection measures

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We regularly support contractors, municipalities, engineering firms, and waterfront developers across Ontario.

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Environmental & Scientific Diving Services

Our commercial dive teams assist environmental organizations, government agencies, consultants, and researchers with specialized underwater operations throughout Ontario's freshwater ecosystems.

Services include:

• Aquatic habitat assessments

• Environmental monitoring programs

• Invasive species management

• Scientific sampling support

• Silt curtain deployment and inspection

• Eco-sensitive underwater operations

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These services help support environmental stewardship, regulatory compliance, and sustainable management of Ontario's waterways.