Memorial Day  through Labor Day
Monday - Saturday: 10 am - 5 pm
Sunday: 12 pm - 5pm

*Play Date Mondays in July and August are Camp Free days. Port Discovery does not book any external camp groups on Play Date Mondays.

Camp groups may visit the Museum throughout the day, Tuesdays through Fridays in July and early August. If you are concerned about group crowds, please call or email the Director of Guest Services, Tuesday – Saturday between 8:30 am – 5 pm, at 410-864-2650 or prior to your visit to find out how many groups are booked for the day

Friday: 9:30 am – 4:30 pm
Saturday: 10 am – 5 pm
Sunday: 12 noon – 5 pm 

Closed Monday through Thursday for exhibit maintenance.

October through May
Tuesday through Friday:
9:30 am - 4:30 pm
Saturday: 10 am - 5 pm
Sunday: 12 pm - 5 pm

Closed Mondays from October through May (Memorial Day) except during select public school holidays.

The Museum is open on the following holidays:

  • Martin Luther King Jr. Day
  • Presidents' Day
  • Monday before and after Easter Sunday 
  • Memorial Day 
  • Labor Day 
  • Monday after Christmas

The Museum is closed on the following days:

  • Thanksgiving Day 
  • Christmas Eve 
  • Christmas Day 

Wonders of Water