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What Is Marine Cargo Insurance? A Guide for Brokers 

May 27, 2026

When electronics are stolen from a container in transit or goods are damaged while sitting in temporary storage, the loss is immediate and expensive. Marine cargo insurance is designed to cover these kinds of situations, giving your client’s goods coverage against physical loss or damage while they are in transit and, in many cases, while they are in storage before or after delivery.  

However, marine cargo isn’t a line most brokers work with every day. When a client has shipping, warehousing, or distribution exposure, it can be harder to spot where coverage breaks down or where assumptions create risk, which is where Distinguished’s Marine Cargo Program makes a difference. 

In this article, we’ll walk through how marine cargo insurance works in practice, where coverage gaps tend to surface, and what Distinguished’s program offers brokers placing this business. This way, you can confidently place coverage for marine cargo clients while continuing to grow your book of business. 

Why Do Businesses Need Marine Cargo Insurance? 

Any business shipping, receiving, or storing goods in transit faces exposure to physical loss or damage. 

Standard commercial property policies are built around fixed locations and typically do not cover goods once they leave a facility. This leaves shipments unprotected or under insured while they move through the supply chain. A Marine cargo policy provides enhanced coverages that are not available with most commercial policies. 

Importers, exporters, and shippers in international trade may assume carrier liability covers potential losses. In practice, carrier liability is limited, often requires proof of negligence, and may only reimburse a portion of the shipment’s value. 

Exposure also extends beyond goods in motion. Losses can occur during handoffs, inside containers, or while goods are held between legs of a shipment. Unexplained shortage with evidence of tampering or theft is a recurring issue. Temporary storage introduces similar risk, even when goods are not actively moving. 

Marine cargo insurance ensures cargo risk is managed across the full movement and handling of goods. 

What Does Distinguished’s Marine Cargo Program Cover? 

Distinguished’s Marine Cargo Program provides all‑risk coverage for physical loss or damage from external causes, subject to standard marine cargo exclusions such as delay, inherent vice, radioactive contamination, and certain specialized perils. Protection is designed to follow goods through the full movement of a shipment, rather than stopping at a single point in transit. 

Shipments are covered across ocean cargo, air, rail, truck, and barge, for both domestic and international transit. Coverage can also extend to goods held in storage before shipment or after delivery, reflecting how cargo actually moves through a supply chain. 

Depending on how the risk is structured, coverage can include: 

  • Stock throughput: Coverage that follows goods from raw materials through finished product 
  • Ocean/international transit: Shipments moving across borders by sea 
  • Domestic inland transit: Shipments moving within the US 
  • Foreign inland transit: Overland movement outside the US 
  • Contingent cargo coverage: Exposure for logistics providers and freight forwarders 

The program also covers unexplained shortage in a shipping container where there is evidence of tampering or theft, through the point where goods are offloaded and inventoried. 

Limits are available up to $25 million per conveyance, warehouse, or storage location, allowing the program to scale across a range of middle-market accounts. 

What Doesn’t Marine Cargo Insurance Cover? 

“All-risk” is often interpreted as broad, automatic coverage. In practice, it still depends on how the policy is written and what exclusions apply at the time of loss. 

Distinguished’s Marine Cargo Program does not cover: 

  • Livestock 
  • Automobiles 
  • Stand-alone stock risks 
  • Certain hazardous goods, including radioactive materials 

Standard marine cargo exclusions, including delay, inherent vice, and radioactive contamination, also apply. Losses arising from chemical, biological, biochemical, or electromagnetic sources are excluded, along with infidelity by the insured. 

Who Needs Marine Cargo Insurance? 

Marine cargo insurance is relevant for any business that depends on goods moving through a supply chain. 

This includes: 

  • Manufacturers and distributors of finished products 
  • Machinery and equipment companies 
  • Food and beverage businesses, including alcohol 
  • Electronics companies 
  • Wearing apparel businesses 
  • Logistics providers and freight forwarders 

There’s no minimum shipment value requirement. Limits are available up to $25 million per shipment, allowing the program to scale across a wide range of middle-market accounts. 

Common Coverage Gaps Brokers Should Know About 

Most cargo coverage issues come from gaps in information during placement. 

A shipment may involve storage that isn’t disclosed, or valuation may not reflect how goods are priced and shipped in practice. Without a complete application, these details are easy to miss and harder to resolve once a claim is involved, which creates avoidable risk management issues later on. 

“All-risk” is another area where assumptions create exposure. The policy can provide broad protection, but specific exclusions and conditions still apply. These details tend to matter most at the time of loss, not at binding. 

Contingent cargo exposure is also easy to overlook. Logistics providers and freight forwarders may be held responsible for goods in their care, custody, or control, even if they do not own them. 

Brokers should take the time to understand how goods move and where responsibility sits before binding coverage. 

Why Choose Distinguished for Marine Cargo? 

Marine cargo isn’t a line most middle-market brokers work with every day. When it comes up, the challenge is finding a specialist option that can handle the exposure without adding complexity to the placement. Distinguished’s Marine Cargo Program is built as a dedicated insurance solution to do exactly that.  

Key advantages include: 

  • A+ admitted carrier backing: The program is backed by an A+ rated admitted carrier with deep marine expertise. 
  • High limits: Up to $25 million per conveyance, warehouse, or storage location. 
  • In-house underwriting and binding authority: Underwriting sits with a team focused exclusively on marine cargo, keeping communication direct and turnaround times consistent. 
  • Dedicated claims handling: Claims are handled directly with the carrier partner, so experienced marine claims professionals are involved from the start. 
  • Broker support throughout placement: Distinguished provides guidance through the submission process, along with sales support to help brokers place and retain these accounts with confidence. 
  • Online certificate and reporting management: Policyholders can issue insurance certificates and manage shipment reporting online, reducing administrative friction once coverage is in place. 
  • Accessible minimum premium: A minimum premium of $2,500 makes the program viable for a range of middle-market accounts. 

Plus, because Distinguished’s team works directly with brokers through the submission process, getting a quote is simpler than you might expect for a specialized line like this. 

How Does the Quoting Process Work? 

In many cases, quotes can be issued using a focused set of information: 

  • International shipping values 
  • Domestic shipping values 
  • Warehousing values 
  • Insured details 
  • Loss history 
  • Commodity information 

The Distinguished team works with brokers through the submission process and provides guidance as needed. Turnaround times are typically quick, depending on the complexity of the risk. 

Get Started With Marine Cargo Insurance 

Marine cargo doesn’t come up on every account, but when it does, the details matter. Having a program that can handle the exposure and support the placement makes the difference. 

Brokers can submit business through Distinguished’s portal or via paper application, with guidance from the team throughout the process. From initial submission through binding, support is available to help surface exposures and move the account forward. 

To get started, register as a broker, complete the application and send to [email protected].  

Marine Cargo Insurance FAQs 

What types of cargo are excluded from coverage? 

Livestock, automobiles, stand-alone stock risks, and certain hazardous goods, including radioactive materials, are not covered. Standard exclusions also apply. 

Does coverage apply to goods in storage, not just active transit? 

Yes. Coverage can extend to goods held in warehousing or storage before shipment and after delivery, subject to policy terms. 

What is the maximum limit available? 

Up to $25 million per conveyance or warehouse or storage location. 

Is this an all-risk policy? 

Yes. It is written on an all-risk basis, providing broad coverage for physical loss or damage from external causes, subject to defined exclusions and conditions in the policy. 

What information do I need to get a quote? 

In many cases, international and domestic shipping values, warehousing values, insured details, loss history, and commodity information are enough to get a quote. 

About Distinguished Programs

Distinguished Programs is a leading national MGA and program manager for specialty property & casualty insurance. The company places insurance in niche sectors such as commercial real estate, hotels & restaurants, community associations, environmental & construction professional, marine cargo, cyber, surety, executive lines, inland marine and fine arts & collectibles. On behalf of its insurance carrier partners, Distinguished typically manages all aspects of the placement process, including product development, marketing, underwriting, policy issuance and claims. Through thoughtful innovation, stemming back to 1995, Distinguished Programs fosters growth and opportunities for its brokers, carriers, and employees.

View a full list of our programs and submit business with Distinguished.