Welcome to Thunder Marine International. Located in the heart of Pinellas County’s boating community, we are a leader in the boat sales and brokerage industry. Our team of diverse and well trained staff, contribute an incredible amount of sales and support for your boating needs. With a seemingly endless supply of industry connections and vendors, we are your total solution to your boat buying and selling requirements. Put your worries to rest, and let the professional and licensed sales team at International Marine Group of Tampa Bay provide you with the utmost boat buying and selling experience. See you on the water!