KayakDIY–Builds, Reviews &DIY Boat Projects

Builds · Reviews · Rigging

9.6′ Inflatable Dinghy Boats SD290 Review

9.6 Inflatable Dinghy Boats SD290 KayakDIY Review

Inflatable Boats · Reviews

9.6′ of inflatable boat, room for 4 people, rated up to a 10 hp (15″ shaft / 100 lbs) outboard. Here is an honest, spec-by-spec look at the SD290 — what it does well, what it costs, and who it is actually for.


Saturn’s 9.6' Inflatable Dinghy Boats SD290 measures 9.6' and answers a simple question: how much boat can you get without a trailer? It is rated for 4 people with a 992 lbs load capacity, which covers a realistic day on the water for most buyers.

At 9.6', it is the 4th smallest of the 26 inflatable boats in Saturn’s current range. At $729, it lands at the affordable end on price. If you want to skip ahead, check the current price here.

For this review I went through the full spec sheet line by line, so everything below comes from what the manufacturer actually publishes — dimensions, capacities, and construction — plus what those numbers mean once the SD290 is on the water.

9.6' Inflatable Dinghy Boats SD290
The 9.6' Inflatable Dinghy Boats SD290.

Key Features

  • 9.6' long × 5.4' wide
  • 16.5" tubes
  • 3+1+1 air chambers
  • Rated for 4 people
  • 992 lbs maximum load
  • Transom rated up to 10 HP (15" shaft / 100 lbs)
  • Weighs 85 lbs
  • Packs into 41x24x14"
  • Drop Stitch Air Floor
  • 1100 Denier Reinforced PVC
  • Listed speed: 17 mph (10HP w/2 adults)

On the Water

On the water, three numbers tell you most of what you need to know: length, beam, and tube diameter. At 9.6' long and 5.4' wide with 16.5" tubes, the SD290 is a compact inflatable with a reassuring footprint. In inflatables, tube diameter and beam do most of the work keeping you level — wide tubes are why these boats feel so much more stable than their weight suggests.

The transom is rated for up to 10 HP (15" shaft / 100 lbs). That keeps you in small-outboard territory — light, affordable motors that one person can lift and mount. That is the whole point of a boat like this: enough power to get you to the spot without the cost, weight, and upkeep of a big rig.

Saturn lists a speed of 17 mph (10HP w/2 adults). Treat that as a realistic expectation with the stated setup rather than a promise — load, prop, and conditions move that number around.

Plan around the 992 lbs load rating, not just the person count. Add up people, motor, fuel or battery, cooler, and gear before you buy. If that math lands close to the limit, size up — a boat that runs near its rating is slower, wetter, and less fun.

9.6' Inflatable Dinghy Boats SD290 — additional photo 2
The 9.6' Inflatable Dinghy Boats SD290 — another view.

Build and Materials

The tubes are 1100 Denier Reinforced PVC. That is the heavy-duty end of the PVC fabrics used on inflatables this size — thicker fabric resists abrasion and holds air pressure more consistently. Seams are Quadruple Overlap. More overlap at a seam means more glued surface holding the tube together, which is exactly what you want on a boat that lives in the sun and gets dragged up beaches.

The spec sheet lists 3+1+1 air chambers. Separate chambers are a safety feature, not a spec-sheet decoration: if one compartment is ever compromised, the others keep you afloat. The Recessed One-Way valves sit flush in the tubes, so there is nothing sticking out to snag on a dock, a truck bed, or your fishing line.

The Drop Stitch Air Floor inflates drum-tight and gives you a rigid deck to stand on. If you fish standing up — sight casting on flats is the classic case — a hard-feeling floor changes the whole experience.

Weight, Portability, and Setup

The SD290 weighs 85 lbs. One reasonably fit person can manage it; two people make it easy. It packs into a 41x24x14" package (100 lbs). The packed bag fits in most car trunks or SUV cargo areas — no trailer, no roof rack, no storage unit.

BoatsToGo does not publish a setup time for this model. For an inflatable this size, plan on 15–20 minutes with a decent pump the first few times; it gets faster once you have done it a couple of times.

9.6' Inflatable Dinghy Boats SD290 — additional photo 3
The 9.6' Inflatable Dinghy Boats SD290 up close.

Who It's For — and Who Should Skip It

Who it is for: anglers, divers, and families who need a tender — or a standalone fishing boat — without owning a trailer, running up to a 10 HP (15" shaft / 100 lbs) outboard. If your fishing looks like trailer-free launches, skinny water, and packing the whole rig into a vehicle, the SD290 fits the program.

Honest trade-offs: it is still an inflatable, so inflation and setup are part of every trip. Sharp shells, hooks, and rocky shorelines demand the same respect you would give any PVC boat. Rinse it after saltwater use and store it out of long-term direct sun — UV is the slow killer of every inflatable ever made.

Who should skip it: if you want to turn the key and go with zero setup, or you regularly run rocky rivers, a rotomolded or aluminum hull will make you happier.

How It Compares

Within Saturn’s current range, the next step down is the 8.6' Inflatable Dinghy Boats SD260 (8.6 ') at $699 and the next step up is the 9.6' Inflatable Budget Boats CB290 (9.6 ') at $499. If you are torn between sizes, the usual advice holds: buy for the load you will actually carry most weekends, not the biggest crew you might take once a year. A smaller boat that runs light is faster, drier, and easier to handle than a bigger one loaded to its limit.

Care and Maintenance

An inflatable boat rewards basic care and punishes neglect — the good news is the care part is simple. Rinse it with fresh water after saltwater use, and let it dry before you roll it up; packing a damp boat away is how mildew starts.

Watch air pressure when temperatures swing. Air expands in the heat and contracts in the cold, so a boat inflated drum-tight on a cool morning can get very firm by midday. Bleed a little air if the tubes feel overly hard, and top up when evenings cool off.

For storage, keep it out of long-term direct sun — UV is the slow killer of every inflatable — and store it loosely rolled or partially inflated rather than folded tight on the same creases every time. Keep sand and grit out of the valves, and carry a small patch kit aboard. None of this is difficult; it is just the routine that keeps an SD290 going for years instead of seasons.

SD290 Specs

Spec Detail
Length 9.6'
Inside Length 6'
Width 5.4'
Inside Width 2.4'
Tube Diameter 16.5"
Air Chambers 3+1+1
Person Capacity 4
Max Load 992 lbs
Max Motor 10 HP (15" shaft / 100 lbs)
Boat Weight 85 lbs
Shipping Size 41x24x14"
Shipping Weight 100 lbs
Floor Drop Stitch Air Floor
Material 1100 Denier Reinforced PVC
Seams Quadruple Overlap
Air Valves Recessed One-Way
Speed (approx.) 17 mph (10HP w/2 adults)
9.6' Inflatable Dinghy Boats SD290 — additional photo 4
The 9.6' Inflatable Dinghy Boats SD290.

Frequently Asked Questions

How many people can the SD290 carry?

It is rated for 4 people, with a maximum load of 992 lbs. Stay under both numbers — capacity and total weight — for the safest, driest ride.

What size outboard can I put on the SD290?

The transom is rated for up to 10 HP (15" shaft / 100 lbs). Stay at or under that rating — overpowering a small inflatable is dangerous and can void any warranty.

How much does the SD290 weigh?

The boat itself weighs 85 lbs; the shipping weight with packaging is 100 lbs.

How small does it pack down?

The packed size is 41x24x14" at 100 lbs. That fits in most car trunks or SUV cargo areas.

What kind of floor does it have?

It has a Drop Stitch Air Floor.

Where to Buy

The 9.6' Inflatable Dinghy Boats SD290 is listed at $729 on BoatsToGo‘s website. If it sounds like your kind of boat:

Check Current Price

Pricing and availability change, so confirm the current price on the product page before ordering.

Affiliate disclosure: KayakDIY may earn a commission from qualifying purchases made through links in this article, at no additional cost to the reader. Product availability, pricing, and promo codes can change; verify them before purchasing.