Offshore Marine

Kirby Offshore Marine is the largest United States operator of coastal tank barges and towing vessels participating in the regional distribution of refined petroleum products, black oil, and petrochemicals. Kirby’s coastal fleet operates along the U.S. coastal network and calls on ports along the Atlantic, Gulf, and Pacific coasts.

Kirby’s offshore fleet includes approximately 30 Articulated Tug/Barge units (ATBs) which connect the tugboat and barge, enabling the tugboat to push, rather than pull the barge at sea. ATBs can operate safely and efficiently in a wider range of sea conditions than conventional tugboat and barge units, resulting in faster transit times, better fuel economy and fewer operating delays. Since 2015, Kirby has placed 5 new state-of-the art ATBs into service with a combined tank capacity of over 800,000 barrels.

Why Kirby

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Industry leader in safety, customer service and environmental protection

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Strong inland and offshore relationships with large blue-chip customers

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Young and efficient fleet with significant recent investments in new state-of-the-art ATBs and new fuel-efficient tugboats

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Geographic scale with operations in all U.S. coasts

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Niche focus on black oil and petrochemicals

Kirby Offshore Marine Operates

as of September 30, 2024

Million Barrels of Capacity

Active Offshore Tank Barges

Active Offshore Towing Vessels

Where We Operate

Atlantic Division

The Atlantic Division’s primary business is the transportation of petroleum products between ports along the eastern seaboard of the United States. Vessels call on every coastal state from New England to the U.S. Gulf of Mexico, as well as locations in the Caribbean and Eastern Canada. Atlantic Division tank barges range in capacity from 10,000 barrels to 185,000 barrels, and coastal tugboats range from 1800 to 10000 horsepower.

The Atlantic Division also operates two dry-bulk offshore tugboat and barge units which transport sugar from Florida to various locations along the East Coast.

Pacific Division

In the Pacific Division, vessels call on ports from Southern California to Alaska, including Western Canada, primarily in the distribution of refined products and black oils. The fleet consists of tank barges ranging in capacity from 26,000 barrels to 185,000 barrels, and tugboats from 2000 to 11000 horsepower.