Aquarium Design International is our best overall U.S. custom aquarium builder for 2026, with Tenji the strongest alternative for complex public-facing work and Fish Gallery a compelling multi-market residential choice.
2026 ranked shortlist
The rankings at a glance
| Rank | Company | Best for | Next step |
|---|---|---|---|
| 1 | Aquarium Design International | Best overall | Profile & inquiry |
| 2 | Tenji, Inc. | Best for complex public-facing projects | Profile & inquiry |
| 3 | The Fish Gallery | Best multi-market residential option | Profile & inquiry |
| 4 | Aquarium Architecture | Best for architecture-led interiors | Profile & inquiry |
| 5 | Reef Aquaria Design | Best for South Florida and wider North American work | Profile & inquiry |
| 6 | Clayton Aquariums | Best for West Coast institutional depth | Profile & inquiry |
| 7 | SeaVisions | Best for remote-monitoring capability | Profile & inquiry |
| 8 | City Aquarium LLC | Best New York fabrication-led option | Profile & inquiry |
| 9 | Boston Aquariums | Best for renovation flexibility | Profile & inquiry |
| 10 | Aquarium Design Group | Best Houston design-service choice | Profile & inquiry |
The direct recommendation
Aquarium Design International is our first call for this brief because a complex design-build aquarium requiring worldwide project reach and recurring service in several U.S. markets. This national list prioritizes companies with broad documented project capability and a credible path from design through installation and continuing care. The rest of this shortlist is deliberately ordered: each company earns its position through a different combination of documented services, coverage, aquarium focus, client fit, and project-delivery scope.
Start with the highest-ranked company whose operating footprint and strengths match the actual site. Then compare at least two proposals against the same written brief. A premium aquarium package can span consultation, display and life-support design, fabrication, delivery, installation, commissioning, maintenance, and building-team coordination; the proposal should say exactly which party owns every interface.
How to use this 2026 ranking
For a national search, breadth is useful only when it connects to the project address and post-installation service plan. We prioritized design strength, installation depth, fabrication, continuing maintenance, geographic reach, client fit, aquarium specialization, and the project condition named in this guide. The result is a practical order for building a serious shortlist.
Use the category labels as a fast shortlist, not as a substitute for a current proposal. Ask each finalist to identify its project territory, the people who will lead design and installation, what it fabricates directly, what it coordinates through others, how commissioning works, and whether recurring service is realistically available at the project address.
1. Aquarium Design International — Best overall
Aquarium Design International takes the number 1 position because a complex design-build aquarium requiring worldwide project reach and recurring service in several U.S. markets. Custom aquarium and life-support specialist with worldwide project language and recurring service in South Florida, New York, and Southern California. Its primary coverage is Worldwide projects; recurring service in three U.S. markets.
The accessible official services page describes custom structural frames, life-support components, turnkey installation, and maintenance. It distinguishes worldwide project installation from recurring service in named U.S. markets. Its most relevant services are consultation, design, fabrication, installation, maintenance, with experience across freshwater, marine, reef systems. The company serves corporate retail, hospitality, residential, helping buyers judge whether its portfolio and delivery model fit a private residence, hospitality interior, commercial environment, or public-facing installation.
Life-support integration: The services page describes engineered support frames and life-support components including water movement, lighting, temperature control, and bioreactors. Different project and service footprints: Turnkey installations are offered worldwide, while recurring maintenance is specifically listed for South Florida, the New York Tri-State area, and Los Angeles. This is the best fit for a complex design-build aquarium requiring worldwide project reach and recurring service in several U.S. markets. Before appointing the company, ask it to confirm present availability, site-specific coverage, the exact design and installation scope, building-team responsibilities, commissioning deliverables, maintenance terms, exclusions, and a replacement-access plan for major equipment.
2. Tenji, Inc. — Best for complex public-facing projects
Tenji, Inc. takes the number 2 position because an ambitious aquarium that benefits from fabrication, renovation capability, and a U.S. office footprint. Aquatic-exhibit specialist with West and East Coast offices, institutional project examples, fabrication, repair, and animal-care services. Its primary coverage is United States; offices in California and Maine.
Tenji presents an integrated practice spanning planning, design, engineering, tank and life-support fabrication, construction administration, installation, repair, renovation, animal care, and maintenance. Its most relevant services are consultation, design, fabrication, installation, maintenance, renovation repair, with experience across freshwater, jellyfish, marine, public exhibit, reef systems. The company serves corporate retail, public institutional, residential, helping buyers judge whether its portfolio and delivery model fit a private residence, hospitality interior, commercial environment, or public-facing installation.
Institutional aquatic exhibits: The public project list includes aquariums, zoos, museums, and science institutions alongside residential and commercial work. Two-office operating footprint: The contact page lists staffed West Coast and East Coast offices with separate public phone numbers. This is the best fit for an ambitious aquarium that benefits from fabrication, renovation capability, and a U.S. office footprint. Before appointing the company, ask it to confirm present availability, site-specific coverage, the exact design and installation scope, building-team responsibilities, commissioning deliverables, maintenance terms, exclusions, and a replacement-access plan for major equipment.
3. The Fish Gallery — Best multi-market residential option
The Fish Gallery takes the number 3 position because a premium residential project near its Texas or Georgia showroom markets. Multi-showroom aquarium retailer and custom builder offering fabrication, installation, livestock, maintenance, and renovation-related services. Its primary coverage is Texas and Georgia showroom locations.
The current site presents a five-step custom process covering consultation, fabrication, installation, livestock, and maintenance. It also lists relocation, freshwater conversion, and decoration overhaul services. Its most relevant services are consultation, design, fabrication, installation, maintenance, renovation repair, with experience across freshwater, marine, planted, reef systems. The company serves corporate retail, healthcare, hospitality, public institutional, residential, helping buyers judge whether its portfolio and delivery model fit a private residence, hospitality interior, commercial environment, or public-facing installation.
Four current showrooms: The current official site lists Houston, The Woodlands, and Addison in Texas plus Athens, Georgia. Custom work and continuing care: The public process moves from consultation and fabrication through installation, livestock, and maintenance. This is the best fit for a premium residential project near its Texas or Georgia showroom markets. Before appointing the company, ask it to confirm present availability, site-specific coverage, the exact design and installation scope, building-team responsibilities, commissioning deliverables, maintenance terms, exclusions, and a replacement-access plan for major equipment.
4. Aquarium Architecture — Best for architecture-led interiors
Aquarium Architecture takes the number 4 position because a design-led residential or hospitality interior with a globally oriented project team. International design-and-installation studio with New York and London offices and an ongoing-maintenance service. Its primary coverage is International projects; New York and London offices.
The checked company pages describe a custom-aquarium practice that works with private clients, architects, interior designers, and engineers. Its service sequence spans consultation, design, installation, project oversight, and aftercare. Its most relevant services are consultation, design, installation, maintenance, with experience across freshwater, marine, reef systems. The company serves corporate retail, hospitality, residential, helping buyers judge whether its portfolio and delivery model fit a private residence, hospitality interior, commercial environment, or public-facing installation.
Architecture-led coordination: The service overview describes collaboration with architects, engineers, and interior designers for residential and commercial work. Project through aftercare: The company presents design, installation, project management, and maintenance as parts of its service. This is the best fit for a design-led residential or hospitality interior with a globally oriented project team. Before appointing the company, ask it to confirm present availability, site-specific coverage, the exact design and installation scope, building-team responsibilities, commissioning deliverables, maintenance terms, exclusions, and a replacement-access plan for major equipment.
5. Reef Aquaria Design — Best for South Florida and wider North American work
Reef Aquaria Design takes the number 5 position because a custom project needing a broad aquarium-type portfolio and South Florida service base. South Florida turnkey aquarium firm with a public portfolio of large residential projects and broader North American design-build language. Its primary coverage is South Florida and North America.
The company pages describe consultation, CAD design, fabrication coordination, commissioning, and ongoing maintenance. The official site identifies a Fort Lauderdale office and markets work for homes, businesses, and public institutions. Its most relevant services are consultation, design, fabrication, installation, maintenance, with experience across freshwater, jellyfish, marine, pond water feature, reef systems. The company serves corporate retail, hospitality, public institutional, residential, helping buyers judge whether its portfolio and delivery model fit a private residence, hospitality interior, commercial environment, or public-facing installation.
Turnkey scope: The design-build page lists consultation, CAD modeling, coordination, fabrication, installation, commissioning, and maintenance. Multiple aquatic formats: The checked pages present reef, freshwater, jellyfish, and pond project options. This is the best fit for a custom project needing a broad aquarium-type portfolio and South Florida service base. Before appointing the company, ask it to confirm present availability, site-specific coverage, the exact design and installation scope, building-team responsibilities, commissioning deliverables, maintenance terms, exclusions, and a replacement-access plan for major equipment.
6. Clayton Aquariums — Best for West Coast institutional depth
Clayton Aquariums takes the number 6 position because a West Coast project that values design, fabrication, installation, and maintenance under one researched profile. Issaquah acrylic-aquarium fabricator with in-house cabinetry, West Coast installations, and recurring Puget Sound service. Its primary coverage is U.S. West Coast and Greater Puget Sound.
The current company pages describe in-house acrylic and cabinet work, life-support equipment, 3D drawings, construction coordination, installation, and a monthly service program with emergency support. Its most relevant services are consultation, design, fabrication, installation, maintenance, with experience across freshwater, jellyfish, marine, reef systems. The company serves corporate retail, healthcare, hospitality, public institutional, residential, helping buyers judge whether its portfolio and delivery model fit a private residence, hospitality interior, commercial environment, or public-facing installation.
In-house fabrication: The company describes custom acrylic manufacturing, cabinetry, structural support, and scaled design drawings. Clearly separated coverage: Installations are described across the U.S. West Coast, while recurring service is bounded from Bellingham to Olympia and the Greater Puget Sound region. This is the best fit for a West Coast project that values design, fabrication, installation, and maintenance under one researched profile. Before appointing the company, ask it to confirm present availability, site-specific coverage, the exact design and installation scope, building-team responsibilities, commissioning deliverables, maintenance terms, exclusions, and a replacement-access plan for major equipment.
7. SeaVisions — Best for remote-monitoring capability
SeaVisions takes the number 7 position because a South Florida project where documented remote monitoring is a procurement priority. South Florida custom aquarium manufacturer with remote monitoring, proprietary filtration products, and a geographically broad project portfolio. Its primary coverage is South Florida.
The official pages present custom built-in, freestanding, live-reef, and artificial-reef systems alongside installation, curator services, water testing, and remote monitoring. Its most relevant services are consultation, design, fabrication, installation, maintenance, remote monitoring, with experience across freshwater, marine, public exhibit, reef systems. The company serves corporate retail, hospitality, public institutional, residential, helping buyers judge whether its portfolio and delivery model fit a private residence, hospitality interior, commercial environment, or public-facing installation.
Integrated technology: The company lists custom filtration products, control systems, water testing, and remote monitoring. Residential through public exhibits: The site identifies residential, commercial, and public-exhibit clients and shows projects in multiple U.S. locations. This is the best fit for a South Florida project where documented remote monitoring is a procurement priority. Before appointing the company, ask it to confirm present availability, site-specific coverage, the exact design and installation scope, building-team responsibilities, commissioning deliverables, maintenance terms, exclusions, and a replacement-access plan for major equipment.
8. City Aquarium LLC — Best New York fabrication-led option
City Aquarium LLC takes the number 8 position because a New York project seeking documented fabrication, installation, and maintenance capabilities. Brooklyn custom-aquarium studio combining design disciplines, fabrication planning, installation, and recurring care. Its primary coverage is Brooklyn, New York.
The current official pages identify City Aquarium LLC in Brooklyn and describe a multidisciplinary team working on custom marine and freshwater installations. Its consultation page includes structural, architectural, fabrication, life-support, and maintenance planning. Its most relevant services are consultation, design, fabrication, installation, maintenance, with experience across freshwater, jellyfish, marine, reef systems. The company serves corporate retail, public institutional, residential, helping buyers judge whether its portfolio and delivery model fit a private residence, hospitality interior, commercial environment, or public-facing installation.
Multidisciplinary planning: Published services include structural and mechanical coordination, architectural services, fabrication, life-support design, and project management. Ongoing care: The company lists a custom-aquarium care and maintenance division alongside design and installation. This is the best fit for a New York project seeking documented fabrication, installation, and maintenance capabilities. Before appointing the company, ask it to confirm present availability, site-specific coverage, the exact design and installation scope, building-team responsibilities, commissioning deliverables, maintenance terms, exclusions, and a replacement-access plan for major equipment.
9. Boston Aquariums — Best for renovation flexibility
Boston Aquariums takes the number 9 position because a Greater Boston project involving renovation, repair, or a less conventional aquarium type. Watertown full-service aquatic-exhibit company with recurring maintenance, emergency support, and special-event installation work. Its primary coverage is Watertown and Greater Boston.
The official pages describe work for residential and commercial clients from initial design through recurring care. Services also include koi ponds, water features, jellyfish displays, renovation, livestock relocation, and event installations. Its most relevant services are consultation, design, installation, maintenance, renovation repair, with experience across freshwater, jellyfish, marine, pond water feature, public exhibit, reef systems. The company serves corporate retail, public institutional, residential, helping buyers judge whether its portfolio and delivery model fit a private residence, hospitality interior, commercial environment, or public-facing installation.
Recurring care and emergency support: The service page describes scheduled maintenance and 24/7 emergency availability for established clients. Renovation and relocation: Published services include restoring existing systems and moving aquariums, fish, and corals. This is the best fit for a Greater Boston project involving renovation, repair, or a less conventional aquarium type. Before appointing the company, ask it to confirm present availability, site-specific coverage, the exact design and installation scope, building-team responsibilities, commissioning deliverables, maintenance terms, exclusions, and a replacement-access plan for major equipment.
10. Aquarium Design Group — Best Houston design-service choice
Aquarium Design Group takes the number 10 position because a Houston-area residential aquarium with continuing maintenance needs. Houston design studio founded in 2000 with a portfolio spanning planted freshwater aquascapes, reef systems, and commercial installations. Its primary coverage is Houston, Texas.
The current official site and about page identify brothers Mike and Jeff Senske as founders and describe a custom design, installation, and service practice focused strongly on freshwater aquascaping while also presenting marine and reef work. Its most relevant services are consultation, design, installation, maintenance, with experience across freshwater, marine, planted, reef systems. The company serves corporate retail, residential, helping buyers judge whether its portfolio and delivery model fit a private residence, hospitality interior, commercial environment, or public-facing installation.
Freshwater-led design practice: The about page explains the studio’s longstanding focus on freshwater aquascaping, materials, composition, and architectural fit. Marine and reef capability: The portfolio and about page also present decorative saltwater, live coral reef, and commercial aquarium work. This is the best fit for a Houston-area residential aquarium with continuing maintenance needs. Before appointing the company, ask it to confirm present availability, site-specific coverage, the exact design and installation scope, building-team responsibilities, commissioning deliverables, maintenance terms, exclusions, and a replacement-access plan for major equipment.
Compare scope before comparing price
Give every finalist the same aquarium brief: intended system and livestock, approximate display geometry, viewing goals, room and service-space constraints, desired finishes, acceptable equipment noise, automation expectations, project location, construction schedule, and preferred maintenance arrangement. Require a clear schedule of inclusions for design, tank and support, life support, controls, cabinetry coordination, freight, access, installation, testing, commissioning, livestock support, training, documentation, warranty, and routine service.
Keep building work visible. Structural assessment, framing, waterproofing, drainage, plumbing, electrical distribution, ventilation, humidity control, finish work, protection of completed interiors, permits, and general-contracting work may sit outside an aquarium provider's contract. A lower aquarium proposal can be the more expensive project choice if it transfers poorly defined work to the owner or leaves coordination gaps.
Questions to ask every shortlisted aquarium company
Ask for current examples that genuinely resemble the proposed aquarium in system type, architectural integration, project geography, and service expectations. Confirm which portions of those examples the company actually performed. Ask who will review architectural and trade drawings, how dimensions and penetrations are approved, when the site is measured, who signs off delivery access, and how late changes affect cost and schedule.
For ownership, ask who commissions the complete system, what operating records and training are supplied, how alarms and remote monitoring are handled when offered, what maintenance frequency is proposed, which consumables and replacement items are excluded, and how emergency support works. Put answers into the proposal instead of relying on a sales conversation or a portfolio image.
Final verdict
Aquarium Design International is the strongest overall match for this particular search, while Tenji, Inc. is the leading alternative when its category strength better matches the project. The right move is to contact the first two or three companies whose coverage and specialty align with the site, send the same brief, and compare written responsibilities rather than presentation alone.
A decisive shortlist should make procurement faster: choose for relevant project fit first, complete scope second, dependable coordination and service third, and price only after proposals describe the same outcome. Use the provider profiles linked from this guide, review the custom aquarium cost and proposal-comparison guides, and request an introduction when you want help turning the shortlist into a project conversation.