Call Us
619-276-4401

Our Capabilities

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Marine Construction

Industrial Commercial Construction

Environmental Mitigation/ Reclamation / Habitat Restoration

Heavy Civil / Earthwork

Dredging

Contact Us
619-276-4401

Our Blog

August 7, 2025

Waterfront and coastal construction projects come with a unique set of challenges. Tides, weather, permits, and environmental rules all affect...

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July 28, 2025

Dredging plays a crucial role in maintaining and developing waterways, ports, harbors, and environmental habitats. From deepening navigation channels to...

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First
Glance

42

Years in
Operation

450+

Construction Projects
Completed

100%

Family Owned
& Operated

$250 Mil

Bonding
Capacity

Featured clients

US Army Corp of Engineers
Port of San Diego
Caltrans
Naval Facilities Engineering Command
BAE Systems

General Dynamics / NASSCO
SeaWorld San Diego
City of San Diego
Southern California Edison

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Address
10108 Riverford Rd. Lakeside, CA 92040

Email Us
info@marathonsd.com

Contact
p. 619-276-4401 / f. 619-276-0717