Official Sunreef design renderings and manufacturer reference arrangements. Depicted features, finishes and equipment depend on the final build specification. Images: Sunreef.
About the Sunreef Ultima 122
The Sunreef Ultima 122 is an announced flagship concept, developed by Sunreef Yachts in collaboration with Phathom Studio rather than presented as a delivered yacht. Its planned 37.2-metre length and 11.2-metre beam frame a design purpose centred on connected social areas and a strong relationship between interior rooms and exterior decks.
Accommodation is intended to be custom, so buyers should plan around preferred cabin count, room uses and service patterns rather than assume a fixed layout. The open atrium staircase links the yacht’s levels and encourages sociability, while planned separate crew circulation can preserve privacy; direct bow access and an upper-deck lounge also affect how guests and service routes intersect.
At the helm, the proposed arrangement should be judged for sightlines, communication with deck teams and access from the principal social areas, because final details remain build-specific. The deck plan centres on fold-open terrace balconies and a broad aft area with a glass hot tub. Hybrid propulsion is proposed, while the hydrofoil is an option rather than standard equipment.
A key purchase decision is whether to specify the optional hydrofoil, weighing its integration, maintenance implications and effect on machinery-space planning against the intended operating profile. Before committing, ask CatamaranWorld for the proposed build specification, general arrangement and platform-deployment details, then verify that the atrium, privacy routes, terraces and technical package match the contract rather than relying on concept renderings.
Sunreef Ultima 122 accommodation layouts
Manufacturer general-arrangement drawings. Open a plan for a closer look.

Manufacturer reference arrangement. Layout and equipment depend on the individual build.

Manufacturer reference arrangement. Layout and equipment depend on the individual build.

Manufacturer reference arrangement. Layout and equipment depend on the individual build.

Manufacturer reference arrangement. Layout and equipment depend on the individual build.
Considering a Sunreef Ultima 122?
Talk through layouts, equipment, ownership costs and your cruising plans with a dedicated catamaran specialist.
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