Aquatic Marine Storefront

Located in Knoxville, our store is one of the best in East Tennessee. We have a 3,000 sq. ft. facility and we specialize in freshwater and saltwater fish, invertebrates, and corals. Even still, our quality and service focused on helping customers are why people keep coming back. We hope you’ll come visit soon!

6655 Clinton Hwy,
Knoxville TN, 37912

Phone Number:

(865) 938-2819

Fax Number:

(865) 938-6827


Mon-Sat: 11-8
Closed Sundays

Come visit us soon!

Our Tanks
We have approximately 5,000 gallons of tanks including a 1,200 gallon show tank and 900 gallons of Reef Tanks.

Dry Goods
From tanks and pond supplies to lighting, plumbing, and everything in between.

Our Team

TRENT – founder of Aquatic Marine

Trent Flexing

Although he left this world on October 2, 2013, his passion, compassion and spirit remain with the Aquatic Marine family.

TREY – Manager / Marine Biologist

  • Marine Biology
  • Building and designing reef systems
  • Breeding and husbandry of fish
  • Closed recirculation aquaculture
Notable Experience
  • 10+ years in fresh and saltwater fish and aquariums
  • Designed and built most aspects of second largest ornamental marine fish hatchery in U.S.
  • Bachelors of Science in Forestry, Wildlife, & Fisheries Science, University of Tennessee
  • Reef Keeping
  • Boating
  • Camping
  • Time travel
  • The lottery
  • Cold fusion
  • Volunteering as ambassador for the Interstellar Peace Commission
  • Perpetual motion

JAKE – Marine Biologist

  • Marine Biology
  • Freshwater systems
  • Sump construction
  • Breeding and husbandry of reptiles and amphibians
Notable Experience
  • 10+ years managing both freshwater and saltwater aquariums
  • Design and implementation of multiple systems and sumps
  • Coral propagation
  • Conservation
  • Kayaking
  • World Travel
  • Cultivation of rare and exotic plants
  • Vinyl records and vintage music

TAYBRA – Marine Biologist

  • Marine Biology
  • Building and designing reef systems
  • Freshwater Aquascaping
  • Turtle and Tortoise Care
  • Brackish Water Care
Notable Experience
  • 4+ years in fresh and saltwater fish and aquariums
  • Reef Keeping
  • Muscle Car Building/Collecting
  • Fitness
  • Fishing
  • Makeup
  • Herpetoculture

Our Location
6655 Clinton Hwy, Knoxville, TN 37912


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Our Commitment

Aquatic Marine is committed to delivering high quality product, exceptional selection, low prices, and excellent customer service to the aquarium hobbyist. The desired outcome is an educational, supportive, and satisfying experience for our customers. We are committed to a friendly and fun store atmosphere. Our primary focus is to meet and exceed expectations so that the customer can truly enjoy their aquatic hobby.

Fish Guarantee & Return Policy

Fish Guarantee
Fish are guaranteed for seven days after purchase provided the following provisions are met. Fish must be returned to store intact with no visible damage. (Freeze if not able to return immediately)A water sample must be provided and meet the following water parameter requirements:

  1. Ammonia – Non detectable
  2. Nitrite – Non detectable
  3. Nitrate – 0-20 PPM
  4. pH – 8.0 – 8.3
  5. Salinity – 1.020 – 1.025

There is no guarantee on inverts and coral.

All Other Returns
Returns less than 30 days must be in unopened packaging in like new condition to receive a full refund.Store credit will only be issued for returns over 30 days and must be in unopened packaging in like new condition.All returns must be approved by Aquatic Marine.