Tired of just sand and sun?
Cape Cod has a hidden world beneath the waves, and it’s waiting for you to find out! If you’re traveling with wide-eyed toddlers, inquisitive teens, or you’re a nature lover at heart, Cape Cod’s aquariums bring the ocean to your fingertips.
Think touch tanks, local sea life, and hands-on exhibits that turn rainy days or quiet afternoons into unforgettable adventures.
Some are nestled inside museums, others tucked into wildlife sanctuaries, but all offer that perfect mix of learning and fun. Bonus? A few are completely free, and most are stroller- and kid-friendly.
So if you’re looking to add something fresh, educational, and totally memorable to your Cape itinerary, exploring these aquarium gems is a no-brainer. Let the underwater fun begin!
Why Explore Cape Cod Aquarium?
Cape Cod’s aquariums offer a unique way to experience local marine life, from native fish and crabs to seals. They feature interactive touch tanks perfect for hands-on learning, especially for kids.
Visitors can learn about rescue and conservation efforts protecting wildlife. Family exhibits and live feedings offer fun and education for all ages. Woods Hole contributes to marine science, providing insight into ocean research.
See native marine species: Get up close with local fish, crabs, sea stars, and other Cape Cod sea creatures.
Hands-on touch tanks: Kids can gently touch sea stars and hermit crabs in safe, supervised environments.
Conservation and rescue programs: Learn about efforts to protect marine life and see rescued animals being cared for.
Family-friendly activities: Enjoy interactive exhibits and educational programs designed for visitors of all ages.
Marine research and education: See real scientific research while learning about ocean ecosystems and wildlife.
The aquariums of Cape Cod is more than just a visit; it’s an immersive travel into the natural wonders of the ocean that fosters connection, education, and respect for marine life and its preservation.
List of Cape Cod Aquariums (2025)
From America’s oldest marine aquarium to wildlife sanctuaries, these three Cape Cod destinations offer unforgettable underwater experiences for every family.
1. Woods Hole Science Aquarium
📍Location: 166 Water Street, Woods Hole, MA 02543, United States Visit on map
Woods Hole Science Aquarium in Massachusetts is the oldest marine aquarium in the U.S., showcasing Cape Cod’s marine life.
Operated by NOAA Fisheries, this historic, compact aquarium is popular with families, students, and marine enthusiasts for hands-on experiences and close encounters with local sea creatures.
| Opening Hours | Entry Fees | Contact Details |
| Tuesday–Saturday, 11 AM–4 PM (Closed Sundays, Mondays, and federal holidays) | Free admission |
Website: Woods Hole Science Aquarium |
- Accessibility: Fully accessible for wheelchairs and strollers; entire facility is indoors.
- Best for: Families with curious kids, Anyone interested in New England marine biology, Rainy day or off-season visits.
- Food and Facilities: No cafe or dining on-site; restrooms are available.
- Location & Parking: Convenient on-site parking is available, but it can fill quickly during summer or school vacation weeks.
A visit to Woods Hole Science Aquarium is a memorable educational experience, perfect for a family outing, budding marine biologists, or anyone interested in Cape Cod’s natural heritage.
2. Cape Cod Museum of Natural History Aquarium
📍Location: 869 Main Street, Brewster, MA 02631, United States Visit on map
Cape Cod Museum of Natural History in Brewster features a vibrant aquarium highlighting both freshwater and saltwater species native to the Cape’s rivers, marshes, and coastal waters.
Over 80 species, including rare creatures (blue lobster), touch tank, seasonal events, butterfly house, and live nature cams.
| Opening Hours | Entry Fees | Contact Details |
| Daily, 9:30 AM to 4 PM (seasonal variations possible) |
Admission fee applies (discounts for children, seniors) |
Website: Cape Cod Museum of Natural History |
- Accessibility: Main aquarium and museum areas are accessible; some outdoor trails may have uneven surfaces.
- Best for: Families, school groups, science enthusiasts, and anyone curious about Cape Cod’s environment.
- Food and Facilities: Snack area, picnic tables, restrooms, and a gift shop on-site. No full-service café; outside food permitted in designated areas.
- Location & Parking: Located in Brewster on Route 6A;
free on-site parking available (may fill on busy days)
A visit to the Cape Cod Museum of Natural History Aquarium provides a hands-on introduction to the region’s wildlife and ecosystems, ideal for families, students, and curious travelers exploring the Cape Cod area.
3. Wellfleet Bay Wildlife Sanctuary Aquariums
📍Location: 291 State Highway, South Wellfleet, MA 02663, United States Visit on map
Wellfleet Bay Wildlife Sanctuary features aquariums and exhibits that vividly display the diverse habitats of Cape Cod, including salt marshes, tidal flats, and freshwater ponds.
Run by Mass Audubon, the sanctuary integrates small live aquariums with its surrounding nature trails, offering a deeper understanding of local marine and wetland ecosystems through vibrant, family-friendly displays.
| Opening Hours | Entry Fees | Contact Details |
| Nature center/aquariums 9 AM–5 PM (trails open dawn–dusk) |
Admission fee applies (discounts for children, seniors, and Mass Audubon members) |
Website: Wellfleet Bay Wildlife Sanctuary |
- Accessibility: Nature center and aquarium exhibits are accessible; outdoor trails may be uneven or sandy in sections.
- Best for: Nature lovers, families, bird watchers, wildlife photographers, and anyone interested in outdoor learning and Cape Cod ecology.
- Food and Facilities: Snack area, outdoor picnic spots, restrooms, and a gift shop. No full-service café.
- Location & Parking: Located on Wellfleet Bay, off Route 6 in Wellfleet; free on-site parking (fill quickly during peak periods)
A visit to Wellfleet Bay Wildlife Sanctuary Aquariums offers a unique blend of indoor wildlife displays and outdoor exploration, making it ideal for families, nature lovers, and adventure seekers wanting to connect with Cape Cod’s natural beauty.
Pro Tip: Many aquariums offer the best animal interactions during morning hours when sea creatures are most active and curious.
Budget-Friendly Tips for Aquarium Visits
Visiting Cape Cod’s aquariums doesn’t have to break the bank. With a little planning, you can create memorable experiences for your family while keeping costs low.
- Start with the free option: Woods Hole Science Aquarium offers completely free admission with quality marine education and hands-on experiences.
- Look for discounts: Cape Cod Museum and Wellfleet Bay offer reduced rates for children, seniors, members, and seasonal promotions.
- Pack your own snacks: Most locations allow outside food in designated picnic areas, helping you avoid expensive on-site purchases.
- Visit during off-peak times: Weekday visits often mean smaller crowds, better staff interaction, and sometimes lower admission rates too.
- Make it educational: Bring notebooks for kids to sketch and write facts; many aquariums provide free educational materials.
- Combine visits smartly: Plan multiple aquarium visits in one trip to save on gas, parking fees, and travel time.
These simple strategies help families enjoy Cape Cod’s marine wonders without overspending, proving that great educational experiences don’t always come with big price tags.
Time to Plan Your Underwater Fun!
Cape Cod aquariums offer the perfect blend of education and entertainment for families seeking something beyond typical beach activities.
From Woods Hole’s historic exhibits and free admission to Cape Cod Museum’s interactive displays and Wellfleet Bay’s nature trails, each location provides unique opportunities to connect with local marine life.
These destinations welcome visitors of all ages with accessible facilities, hands-on touch tanks, and engaging programs that make learning fun.
With options ranging from free visits to modest entry fees, there’s something for every budget and interest level.
Pack your curiosity, bring the kids, and get ready to meet Cape Cod’s amazing sea creatures up close. Your family’s next memorable adventure is waiting just beneath the surface. Start planning your aquarium visits today!
