--- title: "How a Catamaran Inflatable Swim Platform Extends the Stern · Dockee" url: "https://dockee.net/blog/catamaran-inflatable-swim-platform-extension" description: "Bridge the sugar scoops on your multihull with a catamaran inflatable swim platform. Create a wide stern water terrace." language: "en" --- ![How a Catamaran Inflatable Swim Platform Extends the Aft Deck](https://shelter.hunpera.com/blog/dockee.net/catamaran-inflatable-swim-platform-extension-hero.jpg) # How a Catamaran Inflatable Swim Platform Extends the Aft Deck [ Back to the Journal](https://dockee.net/blog)Dockee Editorial4 min read Yes, a catamaran inflatable swim platform bridges the open water between the two aft sugar scoops, creating a wide and continuous deck across the stern. By joining inflatable modules, you turn a split transom into a broad, stable surface for lounging, swimming, and boarding the tender. Multihulls provide vast living areas on the main deck, but the twin hulls naturally leave a void at the waterline. An inflatable sugar scoop extension fills this space efficiently. Dockee designs these platforms using [drop-stitch](https://dockee.net/glossary#drop-stitch) fabric with 0.9 mm PVC. Thousands of internal threads hold the top and bottom layers parallel when inflated. This internal structure is what makes the floating deck feel firm and flat underfoot, easily supporting the weight of guests and crew. ## Bridging the aft hulls with floating platforms The visual appeal of the extension comes from its finish. The top is a [teak-look surface](https://dockee.net/glossary#teak-look-surface), offering the traditional warmth of a wooden deck. Because it is a teak look only and not real wood, it requires no oiling or sanding to maintain its appearance. It provides a non-slip area where wet feet find a secure grip. To connect the two transoms, measure the clear space between the inner sides of the sugar scoops. A [Premium Teak Platform 4.10 m](https://dockee.net/product/premium-teak-platform-410) positioned horizontally across the stern often spans the gap perfectly. Alternatively, placing a compact [Premium Teak Platform 2.05 m](https://dockee.net/product/premium-teak-platform-205) straight off the back of one hull creates a dedicated, elongated boarding step for the tender. ## Setting up a catamaran water terrace When the space between the hulls is filled, the stern becomes a true catamaran water terrace. This area invites guests to stay close to the sea rather than retreating immediately to the upper decks. You have room to stretch out, read in the afternoon sun, or dry off comfortably after a swim. It also provides a practical parking spot for water toys, giving you a safe place to tie off a Seabob or a paddle board. ![Premium Teak Platform 4.10 m by Dockee](https://shelter.hunpera.com/blog/dockee.net/catamaran-inflatable-swim-platform-extension-inline-1-7815394e.jpg) *Pictured: Premium Teak Platform 4.10 m* Safe operation relies on clear guidelines. These platforms are designed solely for use in calm, sheltered water. You must bring them in or secure them tightly if wind and waves begin to build up. Always switch off engines and thrusters while anyone is in the water near the stern, and ensure you always supervise swimmers, especially children. ## The logic of a yacht platform modular setup Every yacht has slightly different dimensions, making a yacht platform modular setup the most sensible approach. Dockee platform models share a uniform width of 205 cm, with standard lengths ranging from 2.05 metres up to an expansive 8.20 metres. This allows crews to build a configuration that matches their exact beam and storage capacity. Joining the sections is straightforward. The [AirLink Tube](https://dockee.net/product/airlink-tube) acts as a firm connector between the modules. Place the platforms side by side, inflate the tube until it becomes rigid, slide it through the designated connection loops, and fasten it firmly with the integrated straps. This system stops the individual platforms from drifting apart or shifting unevenly underfoot. Inflation is handled by electric air pumps running on standard 230 V power. Unfold the platform on a clean area of the deck, ensure the valve is closed, and connect the pump. You should inflate the platform to the pressure stated in the product instructions, verifying it with a gauge. Air naturally expands as it warms in the sun, so you should check the pressure again on hot afternoons. ## Care, storage and tailor-made dimensions As autumn brings the cruising season to a close, end-of-season care becomes a priority. The marine materials require little maintenance, but a thorough fresh water rinse is essential after contact with salt water. Clean the fabrics and the teak look with a mild soap solution to remove salt crystals and dirt. ![Premium Teak Platform 4.10 m by Dockee](https://shelter.hunpera.com/blog/dockee.net/catamaran-inflatable-swim-platform-extension-inline-2-eff1d87c.jpg) *Pictured: Premium Teak Platform 4.10 m* The most critical step for winter storage is drying. Make sure every platform, tube, and lounge piece is completely dry before you deflate and fold it. Any trapped moisture can cause issues over the winter months. Store the packed inflatables in a dry place, away from prolonged direct sunlight, so they are ready for deployment next spring. If standard sizes cannot perfectly span the distance between your hulls, Dockee offers [tailor-made](https://dockee.net/tailor-made) options on request. The team can adapt the size, surface, or configuration to your yacht, providing an individual quote for each project. Orders arrive via worldwide, fully insured shipping. Every item carries a warranty 2 years from delivery. Returns are accepted within 14 days of delivery for unused items in their original packaging, though tailor-made items are excluded. Share[](https://x.com/intent/tweet?url=https%3A%2F%2Fdockee.net%2Fblog%2Fcatamaran-inflatable-swim-platform-extension%3Futm_source%3Dx%26utm_medium%3Dsocial_share%26utm_campaign%3Djournal&text=Bridge%20the%20gap%20between%20your%20catamaran's%20sugar%20scoops%20with%20a%20modular%20inflatable%20swim%20platform%20to%20create%20a%20spacious%20water%20terrace. 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"Share on Pinterest") ## Frequently asked questions - ### Can a floating platform connect directly to both sugar scoops? Yes, if the platform length closely matches the distance between the inner sides of the hulls, it can bridge the gap to form one continuous stern deck. - ### How do you stop multiple floating modules from drifting apart? The units are joined side by side using an inflatable connector tube that slides into connection loops and fastens with integrated straps. ## Recommended for this article [Premium Teak Platform · €1,850.00 · 4 sizes](https://dockee.net/product/premium-teak-platform-205)This compact square platform is ideal for extending a single sugar scoop to create an elongated boarding step. [AirLink Tube | Seamless Floating Connector · €210.00](https://dockee.net/product/airlink-tube)Use this inflatable tube to securely join multiple platform sections across the stern of your catamaran. [Air Pump for Inflatable Docks 1200W · €160.00](https://dockee.net/product/air-pump-1200w)A powerful electric inflator designed to quickly prepare large floating decks for use on the water. ## More from the Journal [A Seychelles Yacht Anchorage Lounge off La Digue · Read](https://dockee.net/blog/seychelles-yacht-anchorage-lounge)[A Yacht Tender Garage Toy Checklist for Autumn · Read](https://dockee.net/blog/a-yacht-tender-garage-toy-checklist-for-autumn)[Swim Platform Ladders: Safe Boarding in Autumn Waters · Read](https://dockee.net/blog/swim-platform-ladders-safe-boarding-autumn-waters)