"Spacious sundeck" refers to an outdoor area, usually on a boat or a house, that is large and open, providing plenty of room for people to relax and enjoy the sun. Full definition
Social areas include an indoor seating area as well as spacious sundeck with loungers and hammocks - the perfect place to relax in - between dives or to unwind with a cocktail at the end of the day whilst enjoying the spectacular Indonesian sunsets. (liveaboard.com)
Stretch out in the large gathering space on the main floor or on the large covered patio as well as on the upstairs spacious sundeck with ocean views. (timothybeach.com)
Anakonda's social spaces include a bar - lounge / conference room, indoor dining room, outside lounge with al fresco dining facilities and spacious sundeck with outdoor Jacuzzis and lazy chairs. (adventuresmithexplorations.com)