Marine Unlimited: Our knowledgeable brokers at Marine Unlimited have a combined 75 years of yacht and power boat experience, providing our customers with sound advice and counsel when buying, selling or trading. Our trade-in service is truly unique. Marine Unlimited will purchase your boat and sell you your next. There’s no need to wait to consummate a sale of your existing yacht before cruising off in your next upgrade. These pristine yachts are available for private viewing during office hours or by special appointment for your convenience.