UFO 7'11 Composite Hardboard River Play & Surf SUP
Compact composite hardboard for downriver play.
7 foot 11 inch length, 32.5 to 34.5 inch width, 205L to 235L volume. Built for catching waves and executing quick turns on the river.
Who UFO is for
- Advanced river paddlers chasing wave catching, quick turns, and downriver play in tight features
- Riders transitioning from longer river hardboards (KING DUB) to a shorter, more responsive shape
- Paddlers with mixed river / surf use cases who want one hardboard that does both
- Lighter and intermediate paddlers who can leverage less length for sharper response
- You're new to whitewater paddleboarding → AXIS 98
- You want more length and tracking for downriver flat sections between rapids → KING DUB
- You want a similar shape in an inflatable for travel and impact forgiveness → AXIS 88
- You want a dedicated ocean paddle surfboard rather than a river-surf hybrid → Drop Rail SCUD
The honest version.
The Hydrus UFO is a compact composite hardboard built for downriver play and surf. 7 foot 11 inch length, three volume options (205L to 235L) for paddler weight and water condition matching. Designed for advanced river paddlers chasing wave catching and quick turns without sacrificing downriver capability.
Where it sits in the lineup: this is the shorter, snappier alternative to the KING DUB 8'8. The reduced length makes the UFO quicker through wave faces and tighter on river features, while the multi-size volume range keeps it stable enough for paddlers who want a true hard surfboard feel. Both share the Hydrus down-river / river-play DNA.
Honest fit: this is for advanced river paddlers. The compact shape rewards skill and active foot steering. If you're new to whitewater paddleboarding, the inflatable AXIS 98 is the right starting point. If you want a longer, more forgiving river hardboard, KING DUB. If you want this shape in an inflatable for travel, AXIS 88.
This is a Limited Number Drop production board. Each UFO is hand-built in Eagle, Idaho. Currently between batches; join the waitlist to be notified when the next production batch opens. Limited Lifetime warranty against defects in material and construction.
UFO at a glance
The UFO is a whitewater hardboard paddle board.
| Length | 7 ft 11 in (95 in) |
|---|---|
| Rider weight | Best for paddlers up to 200 lbs |
| Construction | Armalight composite hardboard |
| Best for | Downriver play, Wave catching, River surfing, Quick turns |
| Warranty | Limited Lifetime Warranty on manufacturing defects |
| On-water trial | 60-Day On-Water Trial: free exchange within 60 days, returns within 60 days with a 20% restocking fee, one return per 180 days |
Is This the Right One?
Quick comparison so you know you are looking at the right board.
| UFO 7'11 Composite Hardboard River Play & Surf SUP | KING DUB Composite Hardboard Whitewater River SUP | Drop Rail SCUD Composite Hardboard Paddle Surfboard | |
|---|---|---|---|
| Compact composite hardboard for downriver play. | The flagship hardboard for river running. | Hard-surfboard performance with Armalight durability. | |
| Best For | Downriver play | Whitewater river running | Ocean paddle surfing |
| Dimensions | |||
| Total Capacity | |||
| Rider Weight Max | Best for paddlers up to 200 lbs | Best for paddlers up to 250 lbs with gear | Best for paddlers up to 200 lbs |
| Board Weight | |||
| Recommended PSI | |||
| Built to last | Armalight composite hardboard | Armalight composite hardboard | Armalight composite hardboard |
Ten summers in,
still drum-tight.
Compact downriver shape
Multi-volume options
Armalight composite shell
Designed by river riders
Hand-built in Eagle, Idaho
Their boards. Their water. Their words.
Photos from Hydrus owners across the lineup. Their boards. Their words. Their water.
It is super durable and sturdy. I feel completely at ease in the ocean waves or the shallow waters of the mangroves.
The Hydrus Paradise tracks and glides very well for an inflatable paddle board. It's easy to sprint between 5-6 mph on flat water.
Payette lake is notorious for its waves and wind. This board is extremely stable and handle the water like no other.
It's fast, and surprisingly stable once I got used to narrower profile.
I message the company and received a phone call from Jason (the man himself) a few hours later.
We love this thing, half the time we’re using it as an inflatable dock at the lake that we can jump off of or just relax on.
First trip out was down silver springs to see manatee, river otter, blue tilapia and SO much other wildlife.
I have had 4 Hydrus hard boards and the Axis 8'8" is my 1st Inflatable from them. I must say that it feels unlike any other iSup i have tried.
Angela and Jason made the whole process of buying my Hydrus Axis an absolute pleasure from first contact to my board arriving.
I bought it because I was looking for something durable for my large size (6'4", 300lbs). I have to say I am EXTREMELY happy with it.
This board tracks really well and feel firm & stable underfoot.
Tracking and glide are far superior to my all around board
First iSUP I’ve owned and it’s phenomenal. I spent over 40 hours researching various boards and was referred to Hydrus by a reputable blogger.
INCREDIBLE board. This iSup was made to be super stable, but also has speed too!
The paradise is so fast and fun. But it's still stable as well! I'm pretty much a beginner and had no issues standing up and staying on the paradise.
For me, by far the best river paddle!! Indestructible frame and so effective in the rapids!!
I knew this board was going to be good but after receiving it I have been blown away. The color and style are fantastic and I really enjoy the stability and speed.
Why Choose Hydrus.
Limited Lifetime Warranty
Idaho Tested
Text Us. A Paddler Answers.
Limited Batches
We'll Tell You No
Common Questions About This Board.
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Close siblings in the Hydrus lineup. Same construction, different conditions.
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