Lady Petra has a total length of 46.7 meters. The exterior styling of the yacht has been done by Omega Architects, while the interiors have been created by Bannenberg & Rowell Design.

The yacht has six suites which can accommodate up to 12 people on board. The suites consist of owner’s stateroom, VIP cabin, two double cabins and two twin cabins.

The yacht has an 8.83 metre beam and 2.85 metre draught. Lady Petra can reach speeds of 15.5 knots and a range of 4,000 nautical miles at her cruising speed of 12-knots. The yacht is powered by 2 x MTU 8V4000 M70 engines.

The yacht has twin propellers, round bilge and a displacement hull. The hull and the superstructure have been created using both steel and aluminium.