If Wi-Fi is strong in a yacht's corridor but weak or unusable inside individual cabins, the question worth raising with your refit yard or network contractor is whether the access point layout was planned around the vessel's actual construction and cabin geometry, or simply dropped in at a handful of central locations. A network survey before joinery closes should settle how many access points are needed, where each one's cable run terminates, and what hardware rating each location requires — because reopening finished panels to add a missed AP later is a real cost and schedule problem during a yard period. Getting this scoped early, alongside the PoE Ethernet backbone and the mix of indoor and exterior-rated hardware, is the practical way to avoid dead cabins after relaunch.
What should a cabin Wi-Fi survey actually cover?
Before any paneling goes up, walk the cabin layout with whoever is designing the network and record, cabin by cabin, where an access point will sit, where its cable path runs, and which switch port and PoE budget on the central rack it will draw from. Ask your yard or network contractor directly whether the proposed AP count and placement were derived from a site survey of this specific vessel's layout, or from a generic assumption carried over from a different hull — that distinction matters more than any single spec sheet. Once joinery and finished panels are installed, correcting a missed access point or re-routing a cable is a real cost and schedule problem rather than a quick fix, so this survey belongs in the same planning conversation as the vessel's broader connectivity design.
How does a PoE Ethernet backbone support the access points?
Each access point needs its own cable run back to a central distribution point, and Power-over-Ethernet lets a single cable carry both data and power to each unit — a detail that matters on a vessel where running separate power circuits to a large number of ceiling-mounted devices adds cost and complexity a PoE run avoids. Current UniFi outdoor- and exterior-suitable access points, for example, are specified to run on PoE or PoE+ over a 2.5 GbE uplink, which is the kind of per-device cabling budget a refit's backbone plan needs to account for UniFi Outdoor WiFi Access Points. Because that uplink capacity varies by model, confirming exactly which switch ports and cable grade each planned access point requires — before the backbone is pulled — is worth doing with your integrator rather than assuming one cable spec fits every unit on the vessel.
Does Wi-Fi 6E or Wi-Fi 7 change the access point count?
Current-generation access points add tri-radio designs that include a 6 GHz band alongside 2.4 and 5 GHz, with some units supporting up to six spatial streams, and selected outdoor models support full 10 Gigabit uplinks UniFi Outdoor WiFi Access Points. That's a meaningful upgrade in per-cabin throughput and client capacity, but whether it changes how many access points your specific vessel needs is a question for your network designer to answer against the actual layout and construction of the boat, not something a spec sheet alone can settle. What the band upgrade reliably changes is the cabling spec: an access point capable of multi-gigabit throughput is wasted on a switch port and cable run only rated for older gigabit Ethernet, so the backbone should be planned to the standard the new access points will actually use.
What hardware belongs on exterior decks?
Sun decks, aft decks, and other exterior areas need access points built for continuous outdoor exposure rather than standard indoor hardware. Current outdoor-rated UniFi units carry IP67 weatherproof ratings specifically so they tolerate direct weather exposure while running on PoE UniFi Outdoor WiFi Access Points. Exterior access point placement should be decided alongside where cable conduit will actually run, before deck hardware and teak are installed, since retrofitting a conduit path through finished decking is far more disruptive than confirming it during the planning phase.
How does the WAN design feed the onboard Wi-Fi network?
A yacht's interior Wi-Fi sits downstream of the vessel's wide-area connectivity, and that connection is typically built from bonded cellular, satellite, and shore Wi-Fi links feeding into onboard access points. Peplink's documented maritime deployments show this pattern directly — one case study describes a motor yacht running a dual-LTE router alongside three enterprise access points over PoE to distribute that bandwidth through the vessel Marine Internet Connectivity Solutions for Yachts. The practical takeaway for a refit is that access point count and WAN bandwidth planning aren't separate projects — they should be scoped together, since an access point layout built for good coverage is only as useful as the bandwidth arriving behind it. Cave Group's guide to Starlink Maritime connectivity covers how that WAN side is typically built on current vessels.
Bringing it together before joinery closes
Cave Group designs marine networking around a wired PoE Ethernet backbone with access points sized to a vessel's actual cabin layout and exterior exposure, and works this into both new-build and refit planning on the marine technology page. Before signing off on a cabin Wi-Fi plan, ask your refit yard or owner's rep to confirm three things in writing: the access point count and locations were derived from a survey of this vessel's layout, the backbone cabling matches the throughput the chosen access points can actually use, and exterior units carry a rating suited to continuous weather exposure.
Frequently asked questions
Why is my yacht's Wi-Fi strong in the corridor but weak inside my cabin?
That gap is worth raising directly with whoever designed the network — ask whether access point placement was based on a survey of this vessel's actual cabin layout and construction, since a corridor-only deployment can leave individual cabins under-covered depending on the boat's geometry.
Does upgrading to Wi-Fi 6E or 7 reduce the number of access points a yacht needs?
Not automatically. These radios add a 6 GHz band and higher spatial-stream counts that improve throughput and client capacity per access point, but whether that changes the total count needed on a specific vessel is a layout question for your network designer, not something the radio generation alone decides UniFi Outdoor WiFi Access Points.
What rating does an access point need for an open sun deck or aft deck?
Exterior access points should carry a weatherproof rating such as IP67, built for continuous outdoor exposure while running on PoE, rather than an indoor-rated unit mounted under an awning UniFi Outdoor WiFi Access Points.
Why does the Wi-Fi plan need to be locked before cabin joinery closes?
Access point locations and cable runs are far cheaper to confirm during planning than to fix after finished panels and joinery are installed; a missed cabin access point generally means reopening finished woodwork during a scheduled yard period rather than a quick retrofit.
How does the yacht's satellite and cellular connection relate to its interior Wi-Fi?
The interior access points distribute bandwidth that arrives from the vessel's WAN links — documented Peplink maritime deployments pair bonded cellular routers with multiple onboard access points to spread that connection through the boat, so the two systems should be planned together Marine Internet Connectivity Solutions for Yachts.