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Cambridge Kayaks Neptune Single Sit On Top Kayak

Single Sit-on-top Kayak

From: Cambridge Kayaks

The Cambridge Kayaks Neptune Single Kayak is a sit-on-top design built for rivers, lakes, calm sea and light surf. It weighs just 21kg, making it manageable for teenagers and adults. The deep centre keel gives it a 150kg maximum weight capacity notably high for a kayak of this size and also improves straight-line tracking.

Built from LLDPE plastic (Exxon Mobil grade), the hull is impact resistant, durable and UV protected. The nestable design means you can stack multiple kayaks on top of each other, saving storage space or allowing double stacking on roof bars.

Storage is well thought out there's a water-resistant 6" central hatch between the paddler's legs, a large rear cargo well with bungee, multiple D-rings and 7 scupper drain plugs. A two-part aluminium paddle and adjustable padded seat with backrest are included as standard.


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Product Features

Deep Centre Keel - The deep centre keel does two important jobs. It raises the maximum weight capacity to 150kg well above many comparable kayaks and it improves tracking, meaning the kayak holds a straighter line with less corrective paddling. For beginners especially, this makes a real difference on open water. LLDPE Hull Construction - The hull is made from LLDPE plastic sourced from Exxon Mobil. This grade of polyethylene is specifically chosen for its impact resistance, flexibility and UV protection. It won't crack or degrade quickly in sunlight and it can take knocks against rocks or riverbanks without splitting. The hull warranty runs to 36 months. Nestable Stacking Design - Multiple Neptune kayaks can be stacked directly on top of one another. This is particularly useful for clubs, schools or families with limited storage space. It also means two kayaks can be double stacked on standard roof bars, reducing the number of vehicles needed for a group trip.
Central Storage Hatch - The water-resistant 6" hatch sits between the paddler's legs, keeping essentials dry and accessible. Verified buyers have stored phones in waterproof bags, sun cream and water bottles in here comfortably. For wild camping trips, a 35L dry bag fits inside the kayak alongside additional storage at the rear. 7 Scupper Drain Plugs - Scupper holes allow water that splashes onto the deck to drain away automatically. The 7 plugs let you seal them when needed useful in colder conditions or calmer water. To drain any pooled water, simply remove the plugs and tilt the kayak. Buyers report needing to do this only two or three times across a full day's paddling. Adjustable Padded Seat with Backrest - The seat is adjustable in multiple ways and includes a backrest. Buyers who have spent 9 to 10 hours paddling in a single day report the backrest performs well. For extended trips, an inflatable cushion is recommended. The seat quality has been highlighted in reviews as noticeably better than expected for the price point.

FAQs

What is the maximum weight this kayak can carry?

The Neptune has a maximum user weight capacity of 150kg. This is higher than many kayaks of a similar size and is largely down to the deep centre keel design. The keel adds structural rigidity to the hull, which allows it to support more weight without compromising stability or performance on the water.

Is this kayak suitable for beginners?

Yes. The Neptune is specifically noted for its stability and straightforward handling. It is popular with families, clubs and schools precisely because it works well for people who are new to kayaking. That said, as with any kayak, first-time users may initially feel the boat is less stable than expected this is normal and typically passes after a few sessions on the water.

What is the kayak made from and how durable is it?

The hull is made from LLDPE (Linear Low-Density Polyethylene) plastic, specifically Exxon Mobil grade material. This is chosen for its impact resistance, flexibility and UV protection. It handles knocks against rocks and riverbanks well and won't degrade quickly in sunlight. Cambridge Kayaks back the hull with a 36-month warranty and components with a 12-month warranty.

Does the kayak come with a paddle and seat?

Yes. The Neptune includes a two-part lightweight aluminium paddle and an adjustable padded seat with backrest. Buyers have commented that both are of better quality than expected at this price point. The paddle in particular has been praised as genuinely usable rather than a throwaway accessory. The seat can be adjusted in multiple ways to suit different body sizes.

Can this kayak be used in the sea?

The Neptune is designed for rivers, lakes, calm sea and light surf. It is not designed for rough open-sea conditions or white water. Several buyers have used it successfully for sea fishing in calm coastal waters. For anything beyond sheltered bays and calm conditions, a more specialist sea kayak would be more appropriate.

How do you transport and store this kayak?

The Neptune weighs 21kg and measures 263cm long x 100cm wide x 35cm high. It comes with 7 carry handles to make moving it easier. The nestable design allows multiple kayaks to be stacked on top of each other for storage or double stacked on roof bars. One buyer confirmed it fits inside a Berlingo Multispace van as an alternative to roof-loading. Cambridge Kayaks also sell an H-trolley that uses the scupper holes to wheel the kayak to and from the water.

What storage does the kayak have?

There is a water-resistant 6" hatch between the paddler's legs for securing smaller items such as phones, sun cream and water bottles. At the rear there is a large cargo well with bungee netting for bulkier gear. Multiple D-rings are fitted around the kayak for attaching dry bags or a paddle leash. One buyer reported fitting a 35L dry bag and a 55L dry bag into the kayak for a wild camping trip.

What colours is the Neptune available in?

The Neptune is available in six colour options: Jungle Camo, Black Green Fade, Black and White Camo, Blue Black Fade, Light Blue and Orange Black Fade. Colour availability may vary depending on the retailer and current stock levels. If a specific colour is important to you, it is worth checking directly with Cambridge Kayaks or confirming with the seller before ordering.

Cambridge Kayaks Neptune Single Sit On Top Kayak Specs

Specification Detail
Brand Cambridge Kayaks
Model Neptune
Kayak Type Single Sit On Top
Length 263cm
Width 100cm
Height 35cm
Kayak Weight 21kg
Maximum User Weight 150kg
Seating Capacity 1 person
Hull Material LLDPE Plastic (Exxon Mobil grade)
UV Resistance Yes
Impact Resistance Yes
Carry Handles 7
Scupper Drain Plugs 7
Storage Hatch 1 x 6" water-resistant central hatch
Rear Storage Large cargo well with bungee netting
D-Rings Multiple (including front D-rings for paddle leash)
Paddle Included Yes - two-part lightweight aluminium paddle
Seat Included Yes - adjustable padded seat with backrest
Paddle Park Storage Yes
Drain Plug 1 x drain plug included
Nestable / Stackable Yes - designed for stacking and double roof-bar stacking
Suitable Water Types Rivers, lakes, calm sea, light surf
Colour Options Jungle Camo, Black Green Fade, Black and White Camo, Blue Black Fade, Light Blue, Orange Black Fade
Component Warranty 12 months
Hull Warranty 36 months
ASIN B095HRZXR2
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