B. Larsen Enterprises
  • Marine Construction
  • Marine Work
    • Bulkheads, Infrastructure
    • Anchor Systems
    • Docks, Decks, Piers...
  • Larsen Family Seafood
  • Leif Aleutian Foundation

We Always Provide Free Estimates, BLarsenEnterprises@Gmail.com -or- (609) 408-3564

B. Larsen Enterprises

B Larsen Enterprises, Marine Construction

B Larsen Enterprises, Marine ConstructionB Larsen Enterprises, Marine ConstructionB Larsen Enterprises, Marine Construction

Helping you preserve your property & investments for years to come. 

Proudly serving Cape May, Atlantic & Cumberland counties.

(609) 408-3564

  • Marine Construction
  • Marine Work
    • Bulkheads, Infrastructure
    • Anchor Systems
    • Docks, Decks, Piers...
  • Larsen Family Seafood
  • Leif Aleutian Foundation

Welcome to B Larsen Enterprises, Marine Construction

Southern NJ's Coastal Construction Specialists,  serving Cape May, Atlantic, and Cumberland counties in Southern New Jersey.  

B Larsen Enterprises is based out of Sea Isle City. We offer marine construction services to our clients, including construction and repair to bulkheads and sea walls, building docks, decks, piers, floating and stationary docks, as well as the installation of ramps, gangways, boat lifts, and more. 


We work with our customers from start to finish, leading you through any permitting processes your job may require, connecting you with respected engineers and environmental consultants.  

B Larsen Enterprises, Marine Construction has nearly 30 years of marine construction experience, providing customers high quality products, economical and intentional plans, built to the highest of standards. 

About B & Larsen Enterprises

Our Team

B Larsen Enterprises is family-owned and operated by husband and wife team, Brian and Jen Larsen. 


Our staff of employees in the office and on site have the technical knowledge, skills, and expertise to handle any project. We work together to ensure that every project is completed to the highest standard.

Our Experience

Born and raised in Sea Isle, Brian Larsen has worked around the water for his entire life. He has 29 years of experience in the marine construction industry alone. Brian began pile driving, constructing decks, docks, and bulkheads, at a very young age through countless opportunities at his parent's marina and through other construction companies. Further experiences as a 100-ton charter boat captain, SCUBA instructor, Certified Crane Operator (CCO), and successful multi-business owner, Brian brings exceptional life & work skills to every job.


Born and raised in Northfield, Jen grew up along the Jersey shore. She holds a Masters of Science in Conservation Biology with a focus in Geospatial Information Systems, providing customers high quality cartographic products and GIS support. She's a seasoned outdoor enthusiast, artist, and entrepreneur, bringing enthusiasm and flair to the business. She handles the office details and helps to manage site crews. 

Our Services

  • Bulkheads
  • Foundation Infrastructure
  • Piling Installation
  • Helical Augers
  • Piers
  • Deck Construction & Repair
  • Aluminum Ramps


We operate year-round. 

We offer on-site construction services Sept. through May. 

June, July, and August are reserved for consultation, proposals, and planning, allowing you and your neighbors a backyard free of large machinery during the brief summer season at the Jersey Shore. 


With the completion of residential bulkheads, stationary & floating docks, piers, helical installments, foundation pilings, and custom builds, Larsen Enterprises is experienced to bring your dreams to reality. Our work spans Cape May, Atlantic, and Cumberland counties, reaching from the beach to the Delaware Bay and beyond. Whether residential or commercial, our coastal construction services include working closely with our clients to understand their unique needs and deliver solutions that meet their expectations. We are committed to delivering projects that are on time, within budget, and of the highest quality.

  • Full Licensed & Insured with the State of NJ as a Registered Business & Home Improvement Contractor.
  • We supply expert in-house GIS & cartographic support for your project and permit requirements.
  • We work directly with engineering firms, environmental consultants and local government officials during stages of planning, constructing, and completion. 

Contact Us Today

Click the box below to ask questions or to request a free quote. We will provide the answers for all of your construction needs.


Already have engineered plans? Contact us today to begin your construction project and to solidify your place on our schedule. 


We look forward to working with you!

B/Larsen Enterprises LLC

Brian & Jen Larsen Phone: (609) 408-3564 Email: BLarsenEnterprises@Gmail.com

Hours of Operation

Open today

08:00 am – 05:00 pm

Contact Us Today for a Free Estimate

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B/Larsen Enterprises LLC

(609) 408-3564 -or- BLarsenEnterprises@Gmail.com

B/Larsen Enterprises LLC

Sea Isle City, NJ 08243


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