GothamBaby.com

Adults and Children in Trust (A.C.T.) http://www.stjohndivine.org/act/programs/index.html 1047 Amsterdam Avenue, New York, NY 10025 (212)316-7530 Classes and activities for ages 1-17, including First Step Nursery and Preschool, summer camp, birthday parties, basketball and other camps, after-school programs, holiday/vacation camps, etc. ACT offers year-round, affordable, reliable, non-sectarian and socially enriching educational programs and special events for families in and around the Cathedral of St. John the Divine, the world's largest Gothic cathedral.

http://www.nykidsclub.com
87th Street (between Broadway and West End Avenue) (212) 721-4400 68th Street (on Amsterdam) (212) 721-4100 Ages 6 months to 12 years. "The New York Kids Club offers all levels of gymnastics, rock climbing and strength conditioning, martial arts, music, art, dance, drama and cooking."

http://www.ymcanyc.org/sub.php?p=about&sp=west/ws_main.htm 5 West 63rd St. Fitness, heated pool, all sorts of classes (from pottery to journalism), daycare/pre-school/nursery.

http://www.thesportsclubla.com/Clubs/template.asp?Club=NYReebokSportsClub 160 Columbus Avenue(At 67th Street) 212.362.6800 Nice pool, childcare while you work out, and lots more: "Our Fun N' Fit™ program led by childrens' coaches, offers a variety of athletic activities as well as sports programming and coaching, teen and kid fit programs, dance activities and summer camps. And, Members' children can also enjoy art, music, drama and other enrichment activities as well as computer clinics and birthday parties."

http://discoveryprograms.com Discovery Programs, Inc. 251 West 100th Street at West End Avenue New York, NY 10025 email: Claude@discoveryprograms.com Tel: (212) 749-8717 Tons of classes -- everything from infant massage to Toddler Science, My Grandparent & Me, ballet, and Taekwondo. Classes take place in lovely old synagogue.

Jewish Community Center in Manhattan http://www.jccmanhattan.org
334 Amsterdam Avenue at West 76th Street
(646) 505-4445
Classes for all ages. Expecting parents, prenatal, new parents classes and moms groups. Beautiful pool, nice warm kiddie pool. (You don't have to be Jewish to join and enjoy their facilities.) Tons of kids' classes, and they have childcare for $8/hr when you want to exercise. Or, for those days you really need to get out of the house, for $5/hour you can hang out with your kids in the babysitting playroom.