tldr; Popular entry-level iSUP offering solid stability and value, complete package for recreational paddling.
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Best praise vs top criticism for iRocker All-Around
“The board you just got, the Okeanos, is a standard touring SUP. It's designed for efficiency while still being relatively stable and able to carry some cargo. Shorter boards will be slower than longer boards. There is a principle called "hull speed" that is a factor of the waterline length of a vessel displacing water\*. The longer the vessel, the faster the hull speed. Hull speed is not a maximum speed limit of the vessel, but it is a maximum speed limit where going faster requires greater and greater effort/power. Its an efficiency speed limit. For example, a 10'6" board has a hull speed just shy of 5MPH. but a 12'6" board has a hull speed just shy of 5.5 MPH. Shape also plays a good deal into speed through what is called "form drag." the simplest explanation here is sort of common sense. Boards that are wide and boxy will have more form drag than boards that are sleek and streamlined. Again, this affects efficiency and how much effort it takes to paddle at certain speeds (or, conversely, how fast you can go at a given effort). Longer boards track straighter than shorter boards. Again, this is a factor of form drag, but in the yaw-axis of the board. It can be thought of like leverage. The longer the board the more leverage it has against turning and vice-versa. Longer (14') boards can actually be really good in choppy conditions as they can spread across multiple peaks/valleys in the chop, where a shorter board may get "stuck" in a particular choppy situation and buck up and down more. That's fairly situational, though. Surf SUPs will be designed specifically for surf conditions and be, essentially, higher-volume surfboards. They'll have more aggressively shaped rails and traditional surfboard planing hulls and rocker lines. They are built for maneuverability and speed on the wave (not flatwater speed) and will not be pretty bad for general use, touring, and anything that isn't surfing. Your new touring board has less primary stability (how easy it is to balance flat) than your all-around boards because it is narrower, but it likely has better secondary stability (how easy it is to balance when its not flat) because of its longer shape and likely thicker profile. The Okeanos can be used for downwinding, but it is not designed as a downwind specialist. Typically downwind SUPs will have more rocker and will be 12'6-14' long. They'll usually have narrower tails as well. An example is the SIC Bullet. \*all SUPs, regardless of hull shape, act as displacement hull vessels in the water. The only time a SUP has enough speed to actually plane for any appreciable amount of time is while surfing.”
“This is a classic case of form before function in product design. Aztron looked at this board and said "let's give it five fins because some surfboards have five fins" not "how can we improve the performance of this board on a wave?" These fin setups are really only used on small volume, high performance surf boards. Part of what makes this fin systems improve drive and control is not just the number of fins, but the fins themselves, their toe angle, and their cant angle. These fins have no toe, no cant, and are made with relatively floppy plastic and plastic mounts that won't actually provide the pressure needed to get those boosts. The Sirius is called a whitewater SUP, but this is not a board for anything past Class II whitewater - which can typically be handled by most all-around SUPs as well. There's almost no rocker in this board, so it's going to get thrashed in larger wave trains and drops found in Class II+ features, the center fin is 9" long - which is way too big for a whitewater board without a retractable fin system, and the fin setup just doesn't make sense. Maybe if you were on a low-volume, high-performance river surf board, but again, it's not even set up right for that. Because they aren't using standard fin boxes, it's going to be hard to find a suitable river fin for that center fin box. I know NRS makes some, if they are available in your area. \- If you plan to use it for whitewater/shallow rivers, then I would see if one of the side fins will fit into the center fin box. Run it there, skip the middle two side fins, and use the outer side fins. Now you've got a thruster setup with shorter fins that will give you a better mix of control and tracking on the river. \- If you are using it on flat water, you might want to throw them all in if you plan to paddle any distance because a 9'6" board is going to spin a lot. You're going to need all the help you can get to paddle it straight. \- If you are surfing on the ocean, I'd just use the single 9" fin or maybe the same thruster setup described above.”
567 Reddit opinions analyzed • Last updated 2/24/2026