The Grand Sturdy 500 Sedan Variodeck is the largest yacht with an open cockpit built since the company was founded in 1949.

The Linssen Grand Sturdy 500 Sedan has a spacious saloon with U-settee, low saloon table and galley at Port side. Folding dinette/desk with 2 design stools and inside steering position including steering bench at SB-side. "Linssen slide and pop-out-door", watertight sliding door in saloon on port and SB-side with special lip-seal developed by Linssen.  Forward cabin with double berth, cupboards and walk-in closet, toilet compartment and separate shower compartment. Guest cabin with two single beds with drawer and linen cupboard on port side and additional toilet compartment with optional shower on starboard.

Open cockpit with teak floor, integrated U-shaped cockpit settee, four part glass doors to saloon, large hatch in the open cockpit with ample storage space. Doors to bathing platform in the cockpit at starboard and port side