A couples retreat is an event or vacation where two people in a relationship can spend time together and reconnect. The two crossword solutions for the term 'Couples Retreat' are ARK and LOVERSLANE. ARK is a 3 letter word that refers to Noah's ARK, which is a vessel from the Bible that was used to save two of every kind of animal from a great flood. LOVERSLANE is a 10 letter word that refers to a romantic road or path, often found in parks or gardens.