Marine Builder · Marina Developer · Charter Operator
Randy Postma
Veteran marine builder, marina developer, and yacht charter operator based in Miami, Florida. Originally from Holland, Michigan, with decades of hands-on experience in the marine industry.
About
A career built on the water
Randy Postma is a lifelong marine professional with experience spanning boat building, marina construction, and yacht charter operations. Originally from Holland, Michigan, and now based in Miami, Florida, his career reflects decades of hands-on, real-world work in the marine industry.
His background includes building and working on performance and custom vessels, contributing to the Cary Marine era of boat building, developing large marina projects, and operating large-scale yacht charters in South Florida.
What he's known for
This combination of construction, infrastructure, and operations experience gives Randy a well-rounded and practical perspective in the marine world.
Family
Randy is the father of Cary, Sandi, and Julie.
Charters
Yacht charters in Miami
For over 10 years, Randy and his family have been active in the Miami yacht charter industry, delivering premium experiences on the water.
Private events
Intimate gatherings on the water
Weddings & celebrations
Memorable occasions at sea
Corporate outings
Team building & client entertainment
Large group experiences
Scaled operations for big parties
This long-term involvement in charter operations brings not only boating experience, but also deep knowledge of vessel operations, safety, guest experience, and event logistics on the water.
Marina Development
Safe Harbor Grand Isle
A premier, large-scale marina in Grand Haven, Michigan — often described as a "Boater's Utopia of the Midwest".
Randy built and later sold this marina, overseeing its development from concept to a fully operational waterfront facility. Safe Harbor Grand Isle is known for combining scale, accessibility, and convenience, making it one of the standout boating destinations in the region.
Grand Haven, Michigan
Heritage
Cary Boats
Founded in Florida and later moving operations to Michigan, Cary Marine began building vessels in the 1970s and became known for distinctive, performance-oriented designs.
One of the most recognized models was the Cary 50, a 50-foot cruiser known for its long, speedboat-style bow and strong, purposeful hull design.
Randy Postma was involved in the construction and building of Cary boats during this era, contributing to a period of marine manufacturing that is still discussed in boating communities today.
Industry
References
Cary boats and related builds are still discussed in boating communities today, including long-running forum threads.
Get in touch
Contact
For professional inquiries related to marine construction, marina development, or yacht charter operations.