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About Slack Maritime Services, LLC

Nate Slack is a retired Coast Guard Chief Boatswains Mate with more than 24 years experience in the maritime industry and 24 years law enforcement experience. He is a professionally licensed 100 ton Coast Guard Captain.

He has safely operated vessels of various lengths and tonnages tens of thousands of nautical miles. In addition, He has successfully trained a countless number of people from various walks of life, helping them reach their highest potential.

As a lifelong learner, he understands that adopting a new skill can be both exciting and challenging. That’s why he is committed to supporting you every step of the way.

Slack Maritime Services, LLC specializes in several maritime operations and services. Let us provide you with one of our custom services.


Get in touch to learn more!


Meet the Team

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Jessica Wissmann

Jessica is a lifelong mariner, holds a 100-Ton Masters License, and has over 31 years of experience driving vessels around North America and the Caribbean. She retired from the US Coast Guard after serving as; a surfman, a marine operations instructor, and an emergency manager for large scale search and rescue, law enforcement and national security missions. She enjoys spending time on the water, and teaching people how to improve their boat handling skills. 

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Clay Wissmann

Clay is a professional mariner with over 22 years of maritime experience. He retired from the US Coast Guard after specializing in operations management, search and rescue, and law enforcement. He is an avid fisherman with a 100-ton Master's License. He is a certified instructor, and enjoys training people on how to have safe maritime experiences. 

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Our Services

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Captain for Hire/

Private Captain

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