HomeInflatable BoatsSaturn Inflatable Boats18' Inflatable Boats SD518

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18' Inflatable Boats SD518

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$1,899.00

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MSRP: $3,798.00

MODEL: SD518DG

Shipping: $199.00

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The 18' SD518 is a largest inflatable boat in SATURN fleet.

New Model V3.0 - German Heytex PVC, Heat Welded Seams, Fiberglass Covered Transom, Premium Quality.

Introducing the unbeatable 18' SD518, the crown jewel of the SATURN fleet! Get ready to elevate your water adventures with our brand-new Model V3.0, featuring top-of-the-line German Heytex PVC, Heat Welded Seams, and a Fiberglass Covered Transom for unparalleled quality and durability.

Why settle for less when you can go big with the SD518? As the largest inflatable boat in our lineup, it's designed to impress and exceed your expectations. Whether you're in the market for a commercial workhorse, a fishing and diving companion, or simply a pleasure cruiser for unforgettable outings with friends, the SD518 delivers on all fronts.

Crafted from heavy-duty PVC fabric, this vessel can comfortably accommodate up to 10 passengers, ensuring there's always room for everyone to join in on the fun. And when the adventure's over, simply deflate the SD518 and fold it away for easy storage in your SUV, minivan, apartment closet, or garage. With optional dinghy wheels available, transporting your boat has never been more convenient.

Safety is our priority, which is why the SD518 comes equipped with double layers of fabric, a rub-strake protector, and a safety valve to prevent overinflation, ensuring you can navigate with confidence in any environment.

But that's not all – our inflatable masterpiece is packed with features to enhance your experience on the water. From the all-around rope grab line to the reliable flat air valves and stainless steel D-rings for easy towing, every detail is designed with your comfort and convenience in mind.

Plus, with additional equipment including a repair kit, three seat benches, and carry bags, you'll have everything you need to hit the water running. And to top it off, we're throwing in a complimentary high-volume hand pump to get you started right away.

Don't miss out on the ultimate inflatable boating experience. Upgrade to the SATURN SD518 today and make waves wherever you go! Click here to explore our range of optional accessories and customize your adventure.

18' SD518 inflatable motor boats come equipped with with a sectional heavy-duty aluminum floor. The bow section is made of a marine grade plywood floor covered with a gray resin. Aluminum floor installation steps are here.

SATURN SD518 INFLATABLE BOATS FEATURES:

All around rope grab line.
Separate internal air chambers.
3 one-way drain valves with plug.
All around, durable rubber strike.
Safety valve to prevent over inflation.
Stainless steel D-rings for easy towing.
Reliable flat air valves with pushpin design.
Front bow D-ring with integral lifting handle.
Spare rope for attaching anchor is included.
Double layer of fabric at the bottom of tubes.
Holds up to 10 persons maximum or 6 comfortably.
Deep inflatable V-keel with a rub strake protector.
Heavy-duty marine grade aluminum floor is included.
Extra thick heavy-duty fiberglass reinforced plywood transom.
Lightweight and strong removable aluminum seat benches.
Equipment: repair kit, 3 seat benches and carry bags.
Free, complimentary generic high-volume hand pump is included.
For the list of optional available Accessories please click here.

You can download Saturn SD518 inflatable boat data sheet in PDF format

Video of SATURN SD518 with 25HP Motor.

Customer's Video Fishing From Saturn SD518.

Quick Tip! Worried about the heavy weight of a hard floored boat? Don't break your back! Get a foldable hand cart from any retail store to carry the folded boat around. Even inexpensive dolly movers will work great for transporting a folded or fully inflated boat. Get dinghy dolly wheels to easily move the inflated boat across the shore and into the water.

Saturn Inflatable Boats SD518

Customer's picture of SD518 boat

SD518 in Outer Banks Netflix series

Customer's pic of Saturn SD518 boat

Saturn Inflatable Boats Specifications:

Overall Length:

17.8'

Inside Length:

12.8'

Overall Width:

6.6'

Inside Width:

3.3'

Tube Diameter:

20"

Chambers:

3+1

Person Capacity:

Loading Capacity:

2500 lbs

Max Motor Power:

50 HP (15" shaft / 175 lbs)

Tube Shipping Size:

53x28x14"

Tube Weight:

140 lbs

Floor Weight:

121 lbs

Tube Shipping Weight:

149 lbs

Floor Type:

Anodized Aluminum

Floor Shipping Size:

48x31x7"

Material:

1100 Denier Reinforced PVC

Floor Shipping Weight:

128 lbs

Seams:

Quadruple Overlap

Air Valves:

Recessed One-Way

Speed (approx.):

30 mph (40HP w/2 adults)

Inflation & Assembly:

45 min.

Note: Specifications and accessories are subject to change without notice. Max O/B Motor means: maximum power of outboard motor that can be safely used to plane the boat loaded to the maximum capacity at normal water surface conditions. Please exercise common sense and caution when using maximum motor capacity. Do not jump from wave to wave as new 4-stroke motors are much heavier then 2-stroke and provide extra strain on the transom. Under normal circumstances, with half the maximum persons/load capacity, 50% of maximum O/B power rating may be necessary to put boat on plane.

Alberto Nunez 01/16/2017, 10:53 AM

Enormous inflatable! I was able to get 5 grown men on my boat with fishing gear. If you are planning to take a lot of people out on this boat, you should at least have a 20HP engine. The 18ft only comes in dark gray. My friend also bought one after he saw mine.

Carlos Aleman 11/16/2016, 10:54 AM

I wanted a big boat that wouldn't break the bank. I purchased the SD518 to take my friends out in the water. We are usually four, so we have a lot of room to spare for supplies. Since this is such a large boat I keep it under a boat cover to protect form the sun. Overall it's a good boat that has not given me any problems.

Clay N., Key West, FL 04/09/2016, 05:41 PM

I’m a scuba diving instructor who owns my own business. I do pretty decent, as I’ve been in the business for a long time and get lots of referrals. I really love owning the company, but I’m a small business, so I need to keep expenses to a minimum. As you could probably guess, the boat I take people out on is really my biggest expense. We all know how expensive upkeep on boats can be, but for me, I can’t just get rid of mine. I need it for my work.

Long story short, a scuba buddy of mine told me I should consider an inflatable boat from you guys. I checked out your site, and ended up taking the plunge and buying the SD518. At 18 feet long and pretty wide, this thing can handle all the gear for me and my students. It’s light, so it saves on fuel, which is another one of my main expenses. It’s also very tough. At first, I was scared I’d pop it, so I would be very careful setting down my equipment inside it. Now, I just toss the gear in like I would on my old boat. Honestly, I can’t really even think of anything I can’t do with this boat that I could do with my old boat.

Jack jones 05/22/2015, 10:55 AM

More colors would be great please!! The boat is huge, so if you plan to take it around with you , buy a trailer! I was able to add seats and rod holders to make this boat even better. occasionally I need to fold it up and it fits in my truck!

Jack B., Myrtle Beach, S.C. 05/15/2015, 05:02 PM

The Saturn SD518 is a beast! This 18 foot inflatable monster is really incredible. My buddy and I split the cost, and now we take our two families out on this thing together almost every weekend. Our kids are friends, and our wives are close, so it gives everyone an excuse to get together. Plus, my buddy and I don’t mind the fishing we get to do.\r\n\r\nThis rubber boat is so big, we can fit both our families, all our fishing gear, and plenty of food and drink. Even some adult beverages! It all fits right in the bed of my truck, so it’s easy to get to and from the water. And between the two of us, carrying it down to the shore isn’t any problem at all. Next I think I’m get a smaller inflatable boat from you guys for those times when I can get a day by myself. Not that that happens too often nowadays.\r\n\r\n\r\n

Ronald L., Oregon 05/08/2014, 10:37 AM

The Saturn SD518 inflatable boat you guys sell is really worth the price. I paid like $1,700 for it including shipping. Once I used it a few times, I knew it could meet all my needs, so I sold my old Mako Sportsfisherman for like $8k. I also save a ton monthly on storage and cleaning because my Saturn fits right in my garage without taking up any space.

I owned boats my whole life, and I never even really thought about buying an inflatable boat. My neighbor had one, and I was laughing about it. He took me out fishing on it one day, and it blew my mind. The experience is basically the same as a hard-hull boat if you just want to go out cruising or fishing. It’s comfortable, handles well, and is so easy to store and clean.

16 feet is plenty long for me and my whole family. I use the aluminum floor it came with, and the thing is sturdy. But it’s also very light, so the little outboard I stuck on it gives it plenty of juice, even with my whole 5 person family riding in it.

Harris Saden 03/05/2014, 11:01 AM

When I got my boat, one of the floor boards was cracked due to The carrier throwing the box around. Boatstogo was able to send me a new floor without any issues. Once I was able to put everything together I was able to enjoy this boat. Its big, and has a lot of room. I just put on a 25HP and its enough for me. Great boat, better customer service.

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