




New and used outboards in stock and available to order. From single engine setups to quad 600 configurations, BTH Marine has the motor you need.
Walk-in parts counter stocked with OEM Mercury parts, service kits, and marine supplies. Can't find what you need? We'll source it for you.
Time to upgrade your electronics? Consult our experts to find the right technology for you and your vessel. We sell and professionally install Garmin, Simrad, JL Audio, and more.

BTH Marine carries new Mercury outboards in stock at our Key Largo facility, with the complete Mercury lineup available to order. From the Mercury 60hp FourStroke to the legendary Mercury 600R V12 Verado, we have the power to match any vessel and any application.
As a Mercury Platinum Elite dealer, every new Mercury outboard we sell comes backed by Mercury Marine's full factory warranty and the support of our factory-trained service team. You're not just buying an engine at BTH Marine. You're buying the confidence that comes with purchasing from one of the most qualified Mercury dealers in South Florida and the Florida Keys.
Whether you're rigging a new build, upgrading a single engine setup, or going full quad 600Rs on a large offshore center console, our team will help you select the right engine configuration for your vessel, your budget, and the way you fish.



Looking for a quality used outboard at a better price point? BTH Marine carries pre-owned engines that have been inspected by our factory-trained technicians. Our used outboard inventory changes regularly as engines come through our service facility and repower jobs, giving us access to a rotating selection of pre-owned motors in various horsepower ranges.
All used outboards sold by BTH Marine are inspected by our service team before sale. Tommy 'Chief' Hofstetter and our technicians know engines inside and out, and we stand behind every used motor that leaves our facility.
Used outboard inventory is not always listed online. Call our team or stop by our Key Largo facility to ask about what's currently available.


BTH Marine's parts counter is run by Lorinda, an industry veteran with years of experience helping boat owners and technicians find exactly what they need. Whether you're looking for a specific OEM Mercury part, a service kit for your next maintenance interval, or everyday marine supplies to keep your boat running, Lorinda is here to help!
We stock genuine OEM Mercury parts, aftermarket components, and a full range of marine maintenance supplies including oils, filters, spark plugs, anodes, and more. Can't find what you need on the shelf? Our parts department specializes in sourcing hard-to-find components for all major outboard brands.
Stop in Monday through Friday 8AM to 5PM or call ahead and we'll have your parts ready.



Keeping your outboard properly maintained starts with having the right parts and supplies on hand. BTH Marine stocks complete outboard service kits for all major Mercury engine models, making your 100-hour, 300-hour, and 1000-hour service intervals as straightforward as possible.
Our parts counter carries everything you need for a full service including Mercury oils, fuel filters, oil filters, spark plugs, water pump impeller kits, gearcase drain seals, anodes, belts, and more. All in stock, ready to go, seven days a week.
Not sure what kit you need for your specific engine? Lorinda and our parts team will look it up by your engine's serial number and get you exactly the right parts every time.


BTH Marine isn't just a retail parts and motor dealer. We supply other marine dealers and service facilities throughout Florida and across the country. Whether you're a dealer looking to source Mercury outboards, a service shop needing OEM parts, or a boat owner who can't find a part locally, BTH Marine can help.
We sell Mercury outboards, OEM and aftermarket parts, and marine electronics to dealers at competitive pricing. We also ship parts directly to customers and businesses nationwide. If you need something shipped, call our parts counter and we'll get it out to you quickly.



Need a new trailer? BTH Marine can make it happen. Rather than settling for a trailer that almost fits, we work with top trailer builders including Beats Trailers, Continental Trailers, Rock and Roll Trailers, Rocket Trailers, and Myco Trailers to source and build a trailer that is spec'd specifically for your boat.
Whether you need a custom configuration for a large offshore center console, a lightweight setup for a flats boat, or something built to handle a catamaran, our team will work with you to get the right trailer for your specific vessel and the way you use it.
Tell us what you need and we'll build it right.
BTH Marine carries both new and used Mercury outboards in stock at our Key Largo facility. We also have the full Mercury lineup available to order. Availability varies so call our team or stop by to ask about current in-stock inventory. For special configurations or high-horsepower engines, ordering in advance is recommended.
Yes. BTH Marine ships parts and marine supplies nationwide. Outboard engine shipping depends on size and destination. Call our parts counter with your specific needs and we will get you a quote and timeline for delivery.
BTH Marine carries Mercury outboards across the full horsepower range, from smaller 150 Pro XS engines to the Mercury 600 V12 Verado. We stock the most popular models and can order any engine in the Mercury lineup. Call or stop by to discuss what is currently in stock and what can be ordered for your specific application.
Yes. BTH Marine carries pre-owned outboards in addition to new engines. Used outboard inventory changes regularly. Call our team or stop by our Key Largo facility to ask about current used outboard availability.
The best way to ensure you get the correct part is to have your engine's serial number ready when you call or visit. The serial number is located on the transom bracket of your outboard. Our parts counter team, led by Lorinda, will use your serial number to look up the exact part number and confirm fitment before you purchase.
Yes. BTH Marine stocks complete outboard service kits for Mercury engines at all major service intervals. We can look up the correct kit for your specific engine model using your serial number. We also carry all individual service components including oils, filters, spark plugs, impeller kits, anodes, and more.
Our parts counter stocks a comprehensive range of marine maintenance supplies including oils and lubricants, fuel filters, oil filters, spark plugs, water pump impeller kits, gearcase drain seals, anodes, belts, and more. We also carry complete service kits and can source hard-to-find parts for all major outboard brands.
Stop in Monday through Friday 8AM to 5PM.
Yes. BTH Marine sells outboards, OEM parts, and marine electronics to other dealers and service facilities. We work with marine businesses throughout Florida and across the country. Call our parts counter to discuss dealer pricing and availability.



Whether you need a new Mercury outboard, a hard-to-find part, a service kit, or marine electronics, BTH Marine's team is ready to take care of you.
Stop by our parts counter at 97951 Overseas Hwy in Key Largo, Monday through Friday 8AM to 5PM, or reach out to our team today.
Full Service Facility
Authorized Mercury Dealer
Brokerage
Exclusive Chartering Services
Full Service Marine Facility
Authorized Mercury Dealer
New Boat Sales
Part Sales
Brokerage
Exclusive Chartering Services