SUNONE has a steel hull and aluminium superstructure built to Bureau Veritas classification and MCA compliance, and she was delivered by Horizon Yachts in 2012. Her exterior design is by the yard and her interior is the work of US stylist Espinosa Yacht Design.
She has an interior volume of 491GT and she has a great many features for a yacht of her size. Outside spaces include a large sun deck with a sun lounge forward that also serves as an informal open-air dining area. Under the hardtop is a sit-up bar for eight guests and versatile deck space, aft is a raised jacuzzi surrounded by sunpads and deck space for sunloungers. There is also a dayhead.
On the bridge deck aft is a square sun lounge, partially shaded by the overhang and doors open into the sky lounge. Steps lead down to the main deck aft where there is a second open air dining option with a food station for the chef's table experience. Sidedecks lead to steps up to the foredeck where there is another spacious sun lounge around a central daybed.
Aft of the wheelhouse on the bridge deck is a wellness centre with gym, shower, sauna and dayhead. Doors open into the sky lounge, which has a sit-up bar to starboard and sofa seating to port, opposite a fold-down TV for movie nights. From the lobby steps lead down to the main deck lobby, which has a dayhead off it. Moving aft there is a formal dining area, L-shaped lounge seating in the main saloon and sliding doors onto the main deck aft.
Forward of the main deck lobby a door opens into the owner's suite, which has a private office, full-beam cabin and en suite with bath and shower. From the lower deck lobby there is access to two double cabins and two twin cabins, all en suite, completing family-friendly accommodation for 10 guests in five cabins.
Twin 1,770hp MTU diesel engines give her a top speed of 15 knots, a cruising speed of 12 knots and a transatlantic range of 4,500nm at her passage speed of nine knots.