Marina Development Services
For over 35+ years we have been working with clients like you to help you plan and develop a commercial marina that will wow your customers. With over 60,000 slips installed nationwide, you can be sure you are working with a group that cares – and gets the job done.
Marine Development engineers, designs, manufactures, installs and repairs commercial marinas throughout the United States. Since 1991, the principals have put in place over 60,000 slips nationwide in lakes, reservoirs, and rivers. Having built and operated our own marinas, we understand the challenges, and responsibilities of marina owners.

In-House Marina Design
- Designs to meet your marina needs
- Harbor design & layout
- Proven engineering design has resulted in less failures in field due to engineering of design
- Design & engineering in-house allows for continuity and collaboration in manufacturing process
- The experience and longevity our team has allows us to offer ideas and customization options for your project
Floating boat docks are our specialty and we have decades of experience with all types. We provide design and engineering for your new project or work with your architect or engineers to define goals and meet your design, financial and timing objectives. We have never missed a deadline we have committed to meet. MDI can provide selected or turn-key services including analysis and recommendations, design, engineering, manufacturing, installation, maintenance and repair for new or existing marinas in the contiguous 48 states.
We pride ourselves in the timely and efficient execution of each project because we know that in the marina business, time is money.
Often we have been called to fix problems caused by the lack of experience, poor design, or inferior workmanship of other companies. We consider that no job is too large or small for MDI.
Creative solutions to unique requirements and limitations are also our specialty. Let us take a look at your needs and tell you what we can do to make you another satisfied customer.

Marina Manufacturing
Marine Development Inc has over 35+ years of marina engineering, design, manufacturing and installation experience. Our manufacturing facilities have everything we need to ensure that your marina needs are manufactured to spec and are created to last. We stand behind our manufacturing and installation processes guaranteeing quality, workmanship, longevity, and products that will span multiple deceased and marina ownership.
Each MDI marina, new dock system, expansion, restoration, wave attenuator, ship store, fuel dock, or walkways are custom manufactured and installed by our trained professionals. Our engineering department offices next to our manufacturing plant to ensure quality of manufacturing to the exact specifications of the project.Our fit and finish manufacturing experience is applied to all products we proudly build for our customers.
The MDI Difference
How are we different with manufacturing compared to our competitors? MDI manufacturing is superior to our competitors with repetition of the same product over and over, fit and finish, attention to detail, less errors, precise, consistency in hole patterns, and accuracy.
- Fit and finish
- Heavy-duty robust design (you will see more steel used to ensure durability and strength compared to competitors)
- Robust design
- Framing and anchoring (in-house)
- Automated super structure
- Custom framing for utilities* (offered during the framing stage)

Marina Installation
Marina installation requires advanced expertise, and that is what you get when Marine Development Inc. installs your marina.- Experienced crews trained in dock, wave attenuator, ship store, fuel dock, and walkway installation
- We build as much as we can before delivery to alleviate build time on-site