1. Monterey Bay Aquarium, Monterey, California
Located on California’s dramatic coastline, Monterey Bay Aquarium sets the bar high for ocean exploration. Its giant kelp forest and 1.2-million-gallon Open Sea exhibit bring the Pacific Ocean to life, housing sardines, stingrays, and sea turtles. Visitors can get hands-on with tide pool creatures or watch playful sea otters up close. The aquarium is also a leader in marine conservation, especially when it comes to rescuing sea otters and advocating for sustainable seafood. Educational programs and live feeding shows add to the fun, making it perfect for both curious kids and serious ocean lovers. Backed by research, conservation, and breathtaking design, this is more than an aquarium—it’s a deep dive into the pulse of the ocean. With a stunning location and unparalleled exhibits, it’s no surprise that Monterey Bay Aquarium is ranked as the top aquarium in the U.S.
2. Georgia Aquarium—Atlanta, Georgia
The Georgia Aquarium isn’t just big—it’s one of the largest in the world, with over 10 million gallons of water and 100,000+ animals. From whale sharks and belugas to sea lions and manta rays, its lineup is breathtaking. Signature exhibits explore oceanic ecosystems from tropical reefs to deep-sea trenches. The Ocean Voyager tunnel offers a 360° underwater experience you won’t forget. It’s not all show: the aquarium is a hub for conservation, particularly in marine mammal rehabilitation. You can even dive with whale sharks (no experience needed!). Whether you’re an adventure seeker or simply fascinated by aquatic life, the Georgia Aquarium offers a powerful mix of education, entertainment, and awe. The Georgia Aquarium’s combination of massive tanks, diverse marine life, and commitment to conservation makes it an unmissable destination for any marine enthusiast.
3. Shedd Aquarium, Chicago, Illinois
Overlooking Lake Michigan, Chicago’s Shedd Aquarium is a landmark of architecture and aquatic excellence. With 32,000+ animals from 1,500+ species, it brings the world’s waters to your fingertips. Popular exhibits include the Caribbean Reef, with its swirling schools of fish, and Polar Play Zone, where kids can meet penguins and other Arctic species. Shedd also focuses on the Great Lakes ecosystem, blending science and stewardship in a way that’s both local and global. Educational outreach and hands-on learning make this more than a museum—it’s a mission in action. Whether you’re admiring jellyfish or learning how to protect freshwater habitats, Shedd Aquarium is a full-body experience in ocean and lake discovery.
4. New England Aquarium, Boston, Massachusetts
Located on the waterfront in Boston, the New England Aquarium is a celebrated institution known for its commitment to marine science and education. With over 20,000 animals representing hundreds of species, the aquarium offers a diverse selection of exhibits, including a 200,000-gallon tank filled with New England’s local marine life, according to Wikipedia. From sea turtles to giant ocean sunfish, visitors can experience the variety of creatures that call the oceans home. The New England Aquarium is heavily involved in conservation efforts, with a strong focus on protecting endangered species like the North Atlantic right whale. Its marine animal rescue program has helped countless animals, from stranded sea turtles to seals, and its research on marine biodiversity continues to push the boundaries of what we know about ocean life. In addition to the exhibits, the aquarium also features the Simons Theatre, where guests can watch educational films about the deep sea and ocean conservation. The combination of world-class exhibits and strong conservation programs makes this aquarium a top destination for marine biology enthusiasts.
5. Seattle Aquarium—Seattle, Washington
Set along Elliott Bay, the Seattle Aquarium focuses on the unique marine ecosystems of the Pacific Northwest. Its Window on Washington Waters exhibit features native species like giant Pacific octopuses, sea stars, and anemones. Visitors can also see harbor seals, playful sea otters, and tide pool touch tanks that delight kids and adults alike. More than just exhibits, Seattle Aquarium is deeply involved in regional conservation—helping protect orcas, salmon, and their shared ecosystem. Interactive learning and behind-the-scenes experiences give guests a close-up view of what marine science looks like in action. With its scenic location and strong mission, the Seattle Aquarium is a thoughtful blend of education, nature, and discovery. This aquarium provides an intimate and educational experience while also promoting marine conservation.
6. National Aquarium, Baltimore, Maryland
Rising above Baltimore’s Inner Harbor, the National Aquarium is a spectacular blend of architecture and aquatic life. Inside, over 20,000 animals call this place home—including sharks, jellyfish, poison dart frogs, and sea turtles. One standout is the multi-level tropical rainforest, where monkeys and sloths hang above while fish swim below. The aquarium’s mission goes beyond exhibits: it’s a leader in ocean advocacy, focusing on local conservation like Chesapeake Bay restoration and broader issues like shark protection. Interactive touch pools and immersive displays make it ideal for kids and lifelong learners alike. Whether you’re gazing at glowing jellies or exploring coral reefs, the National Aquarium offers an inspiring, deeply immersive oceanic experience.
7. Oregon Coast Aquarium, Newport, Oregon
Surrounded by the wild beauty of the Oregon coast, this aquarium is a celebration of the Pacific Northwest’s rugged marine life. Sea otters, seals, tufted puffins, and a walk-through shark tunnel await visitors in the popular Passages of the Deep exhibit. With a strong local focus, it highlights native species and educates on coastal conservation. The Oregon Coast Aquarium is also a rescue and rehab center, helping stranded marine animals get back to sea. Touch tanks and behind-the-scenes tours keep things interactive and fun. It’s less glitzy than bigger aquariums, but no less impactful—especially if you care about preserving the ocean’s fragile ecosystems.
8. Tennessee Aquarium, Chattanooga, Tennessee
Nestled beside the Tennessee River, this freshwater-forward aquarium is a hidden gem with a twist—its exhibits begin in the mountains and flow downstream to the sea. Visitors journey through global river systems like the Amazon, Congo, and Mississippi before diving into saltwater habitats. The River Journey building houses playful otters and native fish, while the Ocean Journey building offers sea turtles, stingrays, and a 10,000-gallon reef tank. Conservation is at the heart of the experience, with strong efforts to protect freshwater biodiversity. Its two-building design and immersive storytelling make it perfect for families and anyone interested in how inland waters connect to the world’s oceans.
9. Aquarium of the Pacific—Long Beach, California
With over 11,000 animals across 50 exhibits, this Southern California hotspot captures the full spectrum of life in the Pacific Ocean. From chilly Northern waters to tropical coral reefs, the Aquarium of the Pacific shows how diverse one ocean can be. Shark Lagoon is a fan favorite, featuring bamboo and sand tiger sharks you can view up close—or touch, if you’re brave! The aquarium emphasizes sustainability, ocean health, and climate resilience, with programs for both kids and adults. Behind-the-scenes tours, animal encounters, and an award-winning Pacific Visions theater experience make it an all-around winner. It’s part science center, part adventure, and totally unforgettable.
10. Miami Seaquarium, Miami, Florida
Located on sunny Virginia Key, the Miami Seaquarium is a longtime favorite for its dolphin shows, sea lion encounters, and focus on Florida’s marine ecosystems. It’s home to manatees, sea turtles, stingrays, and vibrant reef fish native to the Caribbean and Atlantic. While smaller than some mega-aquariums, it packs in family-friendly fun with animal shows and hands-on exhibits. The Seaquarium also plays a role in marine conservation, particularly protecting endangered species like the Florida manatee. Whether you’re catching a performance or watching sharks glide through crystal-clear tanks, the Miami Seaquarium offers a mix of entertainment and education right by the ocean.
11. Aquarium at the National Zoo—Washington, D.C.
Part of the Smithsonian’s National Zoo, this compact yet impactful aquarium introduces guests to both freshwater and marine life. It may not be as massive as others, but what it lacks in size, it makes up for in focus and charm. The standout Amazonia exhibit showcases the biodiversity of the Amazon River Basin, featuring colorful fish, reptiles, and amphibians in a lush rainforest environment. The aquarium is also part of the Smithsonian Conservation Biology Institute, helping protect endangered aquatic species and promoting freshwater habitat conservation. Visitors will find themselves drawn in by the educational storytelling and rich display of life beneath the surface. It’s an underrated treasure perfect for families, students, and nature lovers exploring D.C.
12. The Florida Aquarium, Tampa, Florida
Dive into Florida’s aquatic world at this vibrant, conservation-focused aquarium in Tampa. The Florida Aquarium highlights the ecosystems of the Gulf of Mexico and Florida’s freshwater habitats through immersive exhibits and engaging experiences. Walk through a wetland dome filled with birds, turtles, and playful otters, then dive deep into coral reefs teeming with tropical fish. Interactive areas allow guests to touch stingrays and explore marine life hands-on. Conservation is central here, with programs focused on sea turtle rescue and coral reef restoration. The aquarium also offers Wild Dolphin Cruises and educational presentations that make learning about marine biology fun for all ages. It’s a sunshine-soaked, science-rich stop you won’t want to miss.
13. Ripley’s Aquarium of Canada—Toronto, Ontario
Just across the border in Toronto, Ripley’s Aquarium of Canada is a must-see for travelers exploring North America. Its star attraction is the Dangerous Lagoon—a moving walkway takes you through an underwater tunnel filled with sharks, rays, and sea turtles swimming just inches above. Other highlights include Planet Jellies, where glowing jellyfish float through color-shifting lights, and hands-on areas with horseshoe crabs and stingrays. With over 20,000 aquatic animals and a commitment to education and sustainability, the aquarium also runs programs focused on conservation and marine research. Though not U.S.-based, its immersive design and family-friendly experiences make it a worthy stop for anyone fascinated by ocean life.
14. Waikiki Aquarium, Honolulu, Hawaii
Situated on the beautiful shores of Waikīkī Beach, this aquarium offers a deep look into the colorful and complex ecosystems of the Pacific Islands. It’s one of the oldest aquariums in the U.S. and specializes in tropical marine life—think coral reefs, reef sharks, and the endangered Hawaiian monk seal. Educational exhibits focus on the impact of climate change, coral bleaching, and efforts to preserve native species. The aquarium collaborates with local researchers and conservationists to restore fragile habitats and educate the public about island ecology. Its peaceful setting and rare species make this a unique, culturally rich aquarium experience you won’t find anywhere else.
15. Texas State Aquarium (Corpus Christi, Texas)
Located along the Gulf of Mexico, the Texas State Aquarium offers a dynamic mix of marine and rainforest wildlife. It’s known for Dolphin Bay, where rescued dolphins educate guests about marine mammal protection. The Islands of Steel exhibit mimics oil rig habitats, revealing how artificial structures can support ocean biodiversity. Guests can also walk through an immersive jungle experience with tropical birds and sloths. Conservation is at its core, with active rehab programs for sea turtles, raptors, and aquatic mammals. With touch tanks, 4D films, and educational dive shows, this aquarium offers hands-on learning and family fun—plus, it’s all in one of Texas’s most scenic coastal cities.
16. New York Aquarium (Brooklyn, New York)
Coney Island’s historic New York Aquarium delivers big experiences despite its smaller footprint. Its crown jewel is the Ocean Wonders: Sharks! exhibit, a 40-foot tunnel surrounded by swirling sand tiger sharks, rays, and schools of fish. The aquarium features beloved sea lions, harbor seals, and penguins, with regular feeding sessions and training shows at the Aquatheater. It also highlights coral reefs and marine life from Belize’s Glover’s Reef, making for colorful, educational encounters. Run by the Wildlife Conservation Society, the aquarium has a strong focus on saving local marine species and habitats. Whether you’re exploring the boardwalk or deep-sea mysteries, this is Brooklyn’s best window into the ocean.
