Mary O'Malley Park is a public tennis facility situated at 200 Commandants Way, Chelsea, MA 02150. There are 2 public tennis courts at this tennis location. The tennis courts are not lighted. There are 7 active tennis partners currently registered at Mary O'Malley Park. You can reach this tennis facility at 617-626-1250. Sign up today at this tennis location to compete with other tennis players. Try our Automatic Player Matching Service - we will match you with other tennis partners automatically based on your skill level and match history. Receive points for playing and move up in the rankings.