Seamark (noun)
Date: 15th century
1 : a line on a coast marking the tidal limit
2 : an elevated object serving as a beacon to mariners
Based in Brentwood, California Seamark Marine Group has been navigating the complexities of yacht purchases and sales for over twenty-five years – connecting each client with the right boat at the right time.
For both the buyer and seller, the industry professionals at Seamark Marine Group offer an unprecedented level of “concierge-style” service throughout the yachting experience. From search to purchase to sale (and sail), and beyond – we are committed to ensuring a streamlined transaction and smooth sailing toward new voyages.
What people are saying:
Works to find the best deals for his customers
I have known Rex for over 40 years in the yacht business. During that time, I have found him to be very tenacious in his work to find the best deals for his customers to get the vessel they will be pleased with and enjoy. I have worked with him in my position as VP of Customer Service at Uniflite from 1975 thru 1985. As well as my position as a NAMS Certified Marine surveyor from 1985 to 2016.
Mike McGlenn, NAMS Certified Marine Surveyor, Retired
Simply a great person to work with
I've had the pleasure of purchasing three boats through Rex, a Tiara powerboat, a C&C sailboat and a Cobalt bowrider—and each experience has reinforced why he’s the best in the business. His deep knowledge of boats and genuine passion for the boating world set him apart, ensuring that every purchase was the right fit for my needs. Rex operates with absolute integrity, always putting his clients first. His persistence in finding the perfect boat and his sharp negotiating skills have saved me both time and money. Beyond his nautical expertise, he’s simply a great person to work with. He's honest, professional, and always looking out for your best interests. If you're in the market for a boat, Rex is the guy you want in your wheelhouse!
Paul Ganeger, 110 C&C “Bankers Hours”
Rex is my friend
We purchased a 60 Hatteras enclosed bridge from Rex. The purchase was seamless. He has always been there after the purchase. Rex helped us move our Hatteras from the Bay Area to the Northwest. When another friend of ours wanted a boat we sent Bert to Rex. Rex was able to help him negotiate and purchase 52 Hatteras. Over the years we have developed a wonderful personal friendship. Rex is my friend, valued consultant, and a lifetime resource.
Kathy Miller 60 Hatteras “Katherina Ann”
He is dependable
I don't think I would ever purchase my boat without Rex. After months of fruitless boat searching, I was introduced to Rex. With Rex's help I found exactly the boat I was looking for. He then effectively led negotiations for the fairest price. Rex has selflessly shared his expertise with me as I navigated the nuances of boat ownership. He is dependable and committed to the success of his clients.
Bill Sayres, Nordic 44 “Valkyrie”
Some of our best family memories
Over the years we have purchased several boats from Rex Martin at Seamark Yachts (five transactions buying/selling). Throughout every purchase he has listened closely to what the family needs for the specific adventure. Even more helpful was that after we purchased the boats, he guided us through the trials and tribulation of owning and enjoying our boats. He has made the process of negotiating the purchase or sale painless, and we have been well served over the years resulting in some of our best family memories. He’s not just our yacht broker, but rather we have developed a wonderful friendship. We would definitely retain him again for any future boating needs!
Wick Polite, 48 Ocean Alexander, “Satisfied”