Possible Clues:

• Private place black, what about odd parts of deck? Neither red nor green
• A place of retirement for the queen from Belgium in uncertain March
• Piece of furniture and where to find it
• Warning light on beach with delta, not a place you’d want to crash
• Rogue Serge ultimately charmed 'BB' into boudoir
• Retirement accommodation in which former quizmaster entertains journalist companion
• Be marched roughly around block at first to sleeping quarters
• Where there may be a four-poster
• Room for sleeping
• Teacher's inclination to secure hot place for retirement