The inflatable SUP has firmly established itself as a serious alternative to a rigid stand-up paddleboard, particularly for anyone who values practicality over the last word in performance. Less bulky to store and generally more accessible to buy, it deserves proper consideration if you're weighing up your first board. See also our paddle gear hub for the rest of your kit.
Wear a suitable leash or buoyancy aid where appropriate, check tide times and wind with the Met Office before you head out, and never paddle further offshore than your ability and the conditions allow. If you get into difficulty, call 999 and ask for the Coastguard.
Why choose an inflatable SUP?
Practicality vs rigid: transport, storage, accessibility
The standout advantage of an inflatable SUP is how compact it becomes. Deflated, it packs into a bag around 70 to 90cm long, easy to fit in a car boot or a cupboard. That makes it a natural choice for anyone with limited storage space, or who wants to travel light.
Inflatable boards also tend to sit at a lower entry price than a comparable rigid board, and complete kits (board, pump, paddle and bag) mean you can get started without buying anything else straight away. For a full breakdown by budget, see our guide to how much an inflatable SUP costs.
Who it suits: beginners, families, travellers
Beginners tend to appreciate the stability of wider (75-85cm) and thicker (6-inch) inflatable boards, which are more forgiving of an unsteady first few sessions. Families benefit from the durability – less fragile than an epoxy board, an inflatable shrugs off knocks against rocks far better. Travellers gravitate towards the compact (3.80 to 4.20m) and light (8 to 12kg) models that fit into a rucksack-style bag.
Where inflatables fall short
On flat water and over longer distances, the lack of true rigidity becomes noticeable. Flex in the structure costs you glide and paddling efficiency compared with a rigid, heat-moulded board. In the sea or on fast-moving water, that same softness makes a board harder to control in waves or current. Racers and more advanced practitioners generally lean towards rigid boards for this reason.
For calm conditions – a lake, a gentle river, a sheltered stretch of coast – an inflatable is easily the more practical choice. In the sea or for competitive paddling, a rigid board makes more sense.
Choosing your inflatable SUP
Length and volume: beginner vs experienced
- Beginners: 3.00-3.35m / 150-200 litres, for maximum stability
- Experienced / all-round: 4.00-4.50m / 180-220 litres, a compromise between speed and stability
- Children under 10: 2.50-3.20m / 60-100 litres
Volume should also track your own body weight, not just how you paddle. See our guide to inflatable SUP maximum weight for how to choose the right volume for your build.
Thickness (4" vs 6") and rigidity
- 4 inches: light and easy to manoeuvre, but noticeably less rigid. Suits an occasional paddler on calm water.
- 6 inches: better stability and structural rigidity thanks to the deeper drop-stitch construction. Worth choosing if you're over roughly 80kg, or want to use the board for more than one activity, such as SUP yoga.
Construction: drop-stitch, single or double layer
- Single layer: less costly, but noticeably more prone to damage from impact.
- Double layer: built from two bonded sheets, giving a firmer, less flexible surface.
- Drop-stitch: the core technology behind every inflatable board, with thousands of internal threads holding the top and bottom sheets in shape under pressure.
Accessories: paddle, pump, leash, bag
A complete kit typically includes an aluminium or carbon paddle (which breaks down for transport), a manual high-pressure pump (or an electric one on premium kits), a leash, and a waterproof bag. A carbon paddle is worth prioritising to reduce fatigue over a session, and a double-action pump makes inflating considerably quicker.
Inflating and looking after your SUP
Recommended pressure
- 4-inch boards: 10-15 psi (keep to the lower end on smaller boards)
- 6-inch boards: 15-25 psi, with 20-25 psi giving maximum rigidity
Overinflating can strain the seams over time. Use a pump with a built-in pressure gauge to keep an eye on it. For the full picture on PSI values and common mistakes, see our guide to what pressure an inflatable SUP should be, and for choosing the right pump, our guide to how to choose a SUP pump.
Setting up in the right order
- Fit the fin before inflating – it's much easier to clip in while the board is still deflated
- Inflate to around 70% of your target pressure
- Attach the leash at the tail and secure the paddle across the deck pad
- Finish inflating to your target pressure
Care and long-term storage
- After use: rinse with fresh water, let it dry fully, then partially deflate before rolling it up
- Store somewhere dry and free of temperature extremes (avoid anywhere that regularly tops 40°C)
- For long off-season storage, keeping the board at around half its usual pressure reduces wear on the material
To round out your kit, see our guide to choosing a SUP paddle, or visit our paddle gear hub for more advice.
FAQ: inflatable SUP
What length inflatable SUP is right for a beginner?
Around 3.00-3.35 metres (10' to 11') for maximum stability and confidence while you're learning. Pair that with a width of at least 32 inches and a volume above 130 litres.
How long does an inflatable SUP last?
Five to seven years with weekly use, or up to ten with careful care. The inflation valve and the accessory attachment points are usually the first parts to show wear, so rinse and dry the board thoroughly after every outing.
Can you use an inflatable SUP in the sea?
Yes on sheltered water, but it's not recommended once waves get above roughly 0.5m. If the sea is a regular part of your paddling, a rigid board will handle those conditions far better.
What pressure should I inflate a SUP to?
Roughly 20-25 psi for 6-inch-thick boards, and 10-15 psi for 4-inch boards. Never exceed around 30 psi, as sustained overpressure can strain the seams. Always use a pump with a built-in pressure gauge.
Which brands make good inflatable SUPs?
A wide range of brands now cover the entry-level and mid-range market with solid, reliable boards. For all-round use, models with 6-inch thickness are generally the safer bet for rigidity.