Castleton Banquet and Conference Center overlooks Cobbetts Pond in Windham, N.H. The facility hosts wedding celebrations, ceremonies, baby and bridal showers, birthday, anniversaries, trade shows, seminars, proms and holiday parties. Its elegant function rooms can accommodate from 100 to 500 guests. Castleton Banquet and Conference Center s manicured grounds include a waterfall, gazebo, footbridge and fountain. The center s lobby and greeting area is equipped with a piano. Its creative staff assists clients with menu selections and room settings tailored to individual tastes. Castleton Banquet and Conference Center also has bridal suites and photography rooms.