Port Discovery: : Sleepovers are available for Scout groups (ages 5-12) as well as private and community groups. They are held from April through June, beginning on Friday and Saturday nights, running from 6 p.m. until 9 a.m. the next morning. There's also a special Family Camp In at 6 p.m. June 27. Both sleepovers are $40 for children, $35 for adults. 35 Market Place; 410-727-8120 or portdiscovery.org.
Constellation: : Program usually runs year-round but is available on Friday and Saturday only from June 23-July 31. Sleepovers last from 5 p.m. to 9 a.m. the next morning. There's a 20-person minimum and 60-person maximum. Children must be in first grade or older. $500 per participant; a $200 deposit is required to confirm the date. Pier 1, 301 E. Pratt St.; 410-396-3453 or constellation.org.
National Aquarium in Baltimore: : Program runs on various dates, mostly weekends, from April through Sept. 25. A sleepover runs from 6 p.m. to 9 a.m. the next morning. $94.95 for adults, seniors and children; discounts available for groups of 15 or more. For Scout groups, one chaperone is required for every 10 Scouts. 501 E. Pratt St.; 410-576-3833 or aqua.org.
