Inclusive Owings Mills sensory gym with open play, toddler time, memberships, calming spaces, and private parties.

Family-owned Randallstown indoor playground with toddler and big-kid zones, daily open play, and birthday parties.

Free early-literacy indoor play village inside the Rosedale library, designed for children from birth to age 5.

Glen Burnie indoor playground for babies through younger kids with open play, sandbox-style fun, party packages, and memberships.

Salisbury funhouse with open play, giant soft play, arcade games, sensory-friendly hours, and birthday packages.

Mall-based Waldorf play studio with imaginative play, sensory activities, open play sessions, group visits, and polished birthday packages.

Space-themed Brandywine indoor playground with open play, later weekend hours, parties, and kid-focused active play for ages 10 and under.

Reservation-based children’s museum in Columbia with imaginative mini-town play, crafts, and small-session visits for younger kids.

Big downtown Baltimore children’s museum with hands-on exhibits, active play zones, toddler spaces, and strong rainy-day appeal for mixed-age families.

Downtown Cambridge play center with a large climbing structure, a tot spot, arcade games, and bookable 2-hour sessions.

Large space-themed indoor playground in Gambrills with unlimited open play, three age-zoned areas, and easy party booking.

Snow Hill play village for ages 1 to 8 with imaginative rooms, a family activity space, and low-cost reservations or walk-ins.

Gaithersburg indoor playground for younger kids with slides, ball pits, weekday playdate energy, and birthday-party packages.

Imaginative Gaithersburg play cafe with custom play homes, weekday and weekend open play, coffee and snacks, and polished party options.

Small-format pretend-play museum in Severna Park with reservation-based sessions, hands-on exhibits, and strong toddler-to-early-elementary appeal.

Large Hagerstown indoor playground with crawler, junior, and main play zones, a café, and birthday party rooms.

Boutique Annapolis Mall play venue with imaginative city-shop rooms, art stations, and same-day re-entry.

Two-level Easton pretend-play city with 24 themed shops, live animals, and all-day admission for families who like imaginative play.

Inclusive sensory gym in Sparks with two-hour open play sessions, classes, camps, and birthday parties for kids 13 and under.

Hands-on children’s museum in Cascade with pretend-play exhibits, sensory elements, STEAM programming, and birthday parties.

Appointment-based fairy-tale museum in Waldorf with dress-up play, storybook rooms, themed events, and birthday-friendly visits.

Large Gaithersburg indoor playground with all-day open play, big climbing structures, slides, and party packages.

Indoor climbing-and-ball-play area inside Annapolis' Pip Moyer Recreation Center with drop-in pricing and broad age appeal.

Large Hagerstown trampoline park with open jump, Little Leapers, birthday parties, memberships, and monthly sensory-friendly hours.