Jacksonville,FL Aquarium Store

Natural Environment Aquatix proudly serves Jacksonville with two full-service aquarium store locations — one on Dunn Avenue in North Jax and one in the heart of Mandarin. Whether you're into freshwater, saltwater, or planted tanks, we've got everything you need.

Natural Environment Aquatix

Jacksonville’s trusted aquarium store for freshwater and saltwater fish, custom tanks, aquatic plants, and expert aquarium maintenance. Shop online or in-store for quality livestock and supplies, backed by knowledgeable local service.

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Shop healthy freshwater fish online or in-store

Freshwater

Discover a diverse selection of healthy freshwater fish and vibrant live aquatic plants available both online and in-store at Natural Environment Aquatix in Jacksonville, FL. Whether you're building a peaceful community tank or a lush planted aquarium, our quality fish and carefully cultivated plants are perfect for creating a balanced and thriving aquatic environment. Shop local or enjoy the convenience of online ordering with fast shipping and expert advice from Jacksonville’s trusted aquarium store.

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Shop healthy saltwater fish in Jacksonville,FL

Saltwater Fish

Explore our stunning collection of saltwater fish, available exclusively in-store at Natural Environment Aquatix in Jacksonville, FL. From reef-safe favorites to bold showpiece species, our marine fish are healthy, vibrant, and ready for your saltwater aquarium. Whether you're starting a nano reef or stocking a large marine setup, our knowledgeable staff is here to help you choose the perfect additions. Visit us in-store to see our ever-changing selection of saltwater fish for sale in Jacksonville— new arrivals hit our tanks every week!

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Aquarium Cleaning Jacksonville, FL

Keep your tank healthy with expert aquarium maintenance in Jacksonville,FL

Aquarium Maintenance

Natural Environment Aquatix offers professional aquarium cleaning services for both freshwater and saltwater tanks throughout the greater Jacksonville area. Our expert team provides water changes, equipment checks, algae removal, and full tank cleanings tailored to your setup. We proudly serve homes and businesses within a 60-mile radius of Mandarin, including Jacksonville, Orange Park, Fleming Island, St. Johns, Middleburg, Green Cove Springs, Nocatee, Ponte Vedra, Jacksonville Beach, Atlantic Beach, Yulee, Callahan, Macclenny, Baldwin, St. Augustine, and surrounding areas. Whether you need routine service or custom care, trust NEA to keep your aquarium clean, healthy, and thriving.

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Quality fish tanks for sale in Jacksonville, FL

Aquariums For Sale

At Natural Environment Aquatix in Jacksonville, FL, we carry a wide selection of aquariums for sale in-store only, perfect for freshwater or saltwater setups. From sleek rimless aquascaping tanks by UNS (Ultum Nature Systems)to high-quality glass aquariums from Planet Aquariumsand complete reef-ready systems from ProClear Aquatic Systems, we have tanks for every hobbyist and every space. Our in-store inventory includes popular sizes like 10, 20, 55, up to 200-gallon tanks, as well as custom and large-format aquariums. Visit us in-store to see what's available and get expert guidance from Jacksonville’s trusted local aquarium shop.

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