What Is Inland Marine Insurance? A Guide for Businesses With Mobile Assets

Despite the name, inland marine insurance has nothing to do with boats or oceans. It’s one of the most practical — and most misunderstood — coverages available to businesses that regularly move, transport, or store valuable assets away from a fixed location.

If your business involves equipment, tools, inventory, or specialized property that’s frequently on the move, this guide explains exactly what inland marine insurance covers, who needs it, and what your commercial property policy is leaving exposed.

What Is Inland Marine Insurance?

Inland marine insurance is a type of property coverage that protects movable or specialized property — equipment, tools, merchandise, electronics, fine art, and more — whether it’s in transit, stored at a temporary location, or being used off your primary premises.

The “marine” in the name is a historical artifact. Centuries ago, marine insurance covered goods traveling by sea. As transportation moved inland via rail and road, the coverage evolved to follow. Today, inland marine insurance covers a broad range of property that moves, regardless of how it moves or where it goes.

Standard commercial property insurance covers your assets at a fixed, insured location. The moment that property leaves your premises — on a truck, in a van, at a job site, or in a client’s building — your commercial property coverage typically ends. Inland marine insurance picks up exactly where commercial property leaves off.

What Does Inland Marine Insurance Cover?

The specific assets covered depend on your policy, but inland marine insurance commonly protects:

Contractors’ equipment and tools — bulldozers, cranes, excavators, hand tools, power tools, and other machinery moved between job sites. This is one of the most common uses of inland marine coverage in Oklahoma, Kansas, and Missouri, where the construction industry is active year-round.

Technology and electronics — laptops, cameras, mobile medical devices, AV equipment, and other electronics taken off-site for client work, events, or remote operations.

Commercial cargo and inventory — goods being transported between warehouses, retail locations, suppliers, and customers. If your business regularly ships or receives product, this coverage protects the inventory in transit.

Fine art and valuables — artwork, antiques, collectibles, and high-value display pieces being transported between galleries, venues, or storage facilities.

Medical and diagnostic equipment — portable medical devices, imaging equipment, and other specialized healthcare technology used at multiple locations or in mobile care settings.

Installation floaters — materials and equipment that have been purchased for a specific installation project but haven’t yet been permanently installed. Common in construction and mechanical contracting.

Bailee’s customer property — coverage for property owned by your customers that’s temporarily in your care, custody, or control — relevant for dry cleaners, auto repair shops, storage facilities, and similar businesses.

Who Needs Inland Marine Insurance?

Any business that moves valuable property off its primary premises on a regular basis should consider inland marine coverage. Industries where it’s especially important include:

Construction and contracting — Equipment and tools are moved constantly between job sites. A stolen excavator or damaged drill rig isn’t covered by your commercial property policy once it leaves your yard.

Healthcare — Mobile medical units, home health agencies, and medical equipment providers transport high-value diagnostic and treatment equipment that needs protection in transit and at patient locations.

Retail and wholesale distribution — Businesses that ship or transport inventory regularly face exposure whenever that inventory is in transit between locations.

Technology and AV production — Companies that transport cameras, computers, audio-visual equipment, and production gear to client sites or events have significant uninsured exposure without inland marine coverage.

Fine art dealers and galleries — Moving artwork between galleries, shows, or storage facilities creates exposure that standard property coverage doesn’t address.

Artisan contractors — Electricians, plumbers, HVAC technicians, and other skilled tradespeople carry tools and equipment to every job site. Those assets need coverage everywhere they go, not just back at the shop.

Inland Marine Insurance vs. Commercial Property Insurance

This is the most important distinction to understand:

Commercial property insurance covers assets at your insured, fixed location — your office, your warehouse, your shop. Once property leaves that location, coverage typically stops.

Auto insurance covers the vehicle but generally not its contents beyond a minimal amount.

Inland marine insurance covers the property itself wherever it goes — in transit, at a job site, at a temporary storage location, or at a client’s facility.

For businesses with mobile assets, these three coverages work together. Commercial property handles what stays put. Auto handles the vehicle. Inland marine handles everything in between.

How Much Does Inland Marine Insurance Cost?

Premiums for inland marine insurance vary based on the type and value of the property being covered, how frequently it’s transported, where it travels, and your claims history. For most small to mid-sized businesses, inland marine coverage is quite affordable relative to the value it protects — often running $500 to $2,500 per year for basic equipment floater coverage.

Businesses with higher-value equipment, large inventories in transit, or specialized property like medical devices or fine art will pay more. Working with an independent agent who can shop multiple carriers helps ensure you’re getting the best combination of coverage and price.

Common Inland Marine Insurance Claims

Understanding what typically triggers a claim helps businesses evaluate whether their coverage is adequate:

Theft from a job site or vehicle — Tools and equipment left at a job site overnight or locked in a work truck are frequent theft targets. Without inland marine coverage, the loss comes entirely out of pocket.

Transit accidents — Equipment or inventory damaged in a vehicle accident during transport. Auto insurance covers the vehicle; inland marine covers the cargo.

Severe weather damage — Equipment exposed to storms, flooding, or hail while at an off-site location.

Accidental damage — Dropped, mishandled, or accidentally damaged equipment at a client location or job site.

Frequently Asked Questions About Inland Marine Insurance

Is inland marine insurance required? It’s not legally required in most cases, but it may be required by contract — some clients and project owners require proof of inland marine coverage before work begins, particularly on construction and installation projects.

Does my commercial property policy cover equipment at job sites? Generally no. Standard commercial property insurance covers property at your insured premises. Once equipment leaves that location, it’s typically uninsured unless you have an inland marine or equipment floater policy.

What’s the difference between inland marine insurance and a business owner’s policy (BOP)? A BOP bundles general liability and commercial property coverage into one policy. It covers property at your fixed business location. Inland marine coverage is a separate policy — or endorsement — that extends protection to property in transit or off-site.

Can inland marine insurance cover rented or leased equipment? Yes, many inland marine policies can be structured to cover rented or leased equipment used in your operations, which protects you from liability if rented equipment is damaged while in your care.

How do I determine how much inland marine coverage I need? Start by inventorying all equipment, tools, and property that regularly leaves your primary location. Assign replacement values to each item. That total gives you a baseline for your coverage limit. Your agent can help you structure a policy that matches your actual exposure.

Protect Your Mobile Assets With Rich & Cartmill

Inland marine insurance is one of the most overlooked gaps in business insurance programs — and one of the most costly to discover after a loss. Rich & Cartmill has been helping businesses across Tulsa, Oklahoma City, Olathe, and the surrounding region protect their mobile assets since 1922.

Whether you need coverage for construction equipment, commercial cargo, medical devices, or specialized tools, our team can find the right inland marine policy for your business.

Contact Rich & Cartmill today to review your current coverage or get a quote on inland marine insurance.

Author: Ryan Teubner, VP | Rich & Cartmill Insurance