Choose A Facility: Choose A Facility Prothro Natatorium Fitness and Athletics Center Softball Field Meyer Field Williams Gymnasium Dennis Van Der Meer Tennis Center Harriet Howell Rogers Riding Center Poplar Grove Golf Club Thayer Field View full image Prothro Natatorium The Prothro Natatorium is home to Sweet Briar swimming. The 25-meter facility features six competition lanes and ample deck space for home swim meets. A balcony with seating for spectators overlooks the pool.