The facilities of “Club an der Alster” at Rothenbaum contain the clubhouse, with ample catering premises in which a tennis hall with 3 courts and a hockey hall for up to 1000 spectators is integrated, and a modern gym and spa facility with a variety of course offerings and applications as well. In the year-round heated swimming pool many club member had learned how to swim. There are also two artificial turf pitches for hockey training. The German Tennis Federation has their headquarters on the club ground at Rothenbaum and held there annually the international men's tennis championships on the 13 tennis courts including Centre Court. The hockey facility at Rothenbaum includes two floodlit artificial turf pitches for training and a hall. A total of 13 tennis courts are on club grounds at Rothenbaum.

The Games of the indoor season, including league games are played on Rothenbaum. In the hockey hall in the basement of the clubhouse is also the training for all point play and recreational teams as well as the Youth Training. The Club an der Alster has already won numerous national and international championships. The center court of the DTB is also used for winter training is in the winter time.