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Waterbox Aquariums

Peninsula 4820 Waterbox Aquariums - 108.5 gallons - Black


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Peninsula 4820 Waterbox Aquariums - 108.5 gallons - Black

The Waterbox Peninsula series is designed for those looking for a more decorative approach to their aquarium. The Peninsula or “Room Divider” offers an elegant solution to break up a room and is viewable from 3 sides. 


  • Full Glass Overflow: Overflow boxes are constructed entirely of glass with water-etched weir teeth.
  • Dual Adjustable Return Nozzles: Each side of the glass overflow box features adjustable return nozzles for precise water agitation
  • Glass Overflow Cover: Each Waterbox has an overflow cover with unique branding.
  • Removable Weir Teeth: Newly designed removable weir teeth system allows for easy maintenance and cleaning. 

Simple Plumbing. Reef Ready Sump.

The Peninsula series is designed with a ready-to-assemble plumbing kit that provides easy installation without any gluing required.
  • Quick Connect Assembly: Assembly is quick and easy with no gluing required
  • Precision Gate Valve: Controls the flow through the drains, ensuring quiet operation.
  • Safety Drain: Diverts water into the filtration compartment preventing an overflow, in the event of a clog.
  • Flexible Return Line: Accommodates your choice of return pump by using a flexible hose.
  • Filter Socks: Includes two 4" Micron Felt Filter Socks with two 4" silencers.
  • Evaporation Reservoir: The sump system has a dedicated chamber for the use of an auto top-off controller.
  • Pre-Cut Filter Sponge: Increases filtration and reduces micro-bubbles in the system.

Strength & Stability. Accessibility from Both Sides.

Waterbox furniture is designed to elevate your living spaces with our first in class cabinetry and finishes. The Peninsula series also offers the industry`s only cabinet with door access from both sides.
  • Plywood Construction: Solid plywood construction ensures stability and longevity.
  • Soft Close Doors: PVC coated hinges with soft close doors.
  • Leveling Feet: Leveling feet to provide long-lasting support and stability.
  • Push-Open: Recessed push-open hardware.

Model Specification

Peninsula 3620

Peninsula 4820

Display Tank Tank Dimensions 35.4" x 19.7" x 21.7" 47.2" x 19.7" x 21.7"
Glass Thickness 12mm (1/2") 12mm (1/2")
Water Height 21.1" 21.1"
Aquarium Volume 224 L / 59.3 gal 249 L / 65.8 gal
Glass Material / Transmittance Opti-White Ultra-Clear Glass / 91% Opti-White Ultra-Clear Glass / 91%
Sump Sump Dimensions 26.8" x 17.7" x 15" 26.8" x 17.7" x 15"
Sump Volume 109 L / 28.9 gal 109 L / 28.9 gal
Glass Thickness 6mm (1/4") 6mm (1/4")
Skimmer Chamber 13.4" x 17.2" 13.4" x 17.2"
Pump Chamber 6.7" x 8.4" 6.7" x 8.4"
RO Reservoir Dimensions 4" x 17.2" x 14.7" 4" x 17.2" x 14.7"
RO Volume 16.5 L / 4.4 gal 16.5 L / 4.4 gal
Plumbing Main Drain DN25 DN25
Emergency Overflow DN25 DN25
Pump Return DN20 DN20
Nozzles (2x) DN15 (2x) DN15
Filter Socks (2x) 4" (2x) 4"
System Height with Cabinet 61" 61"
Total Volume 334 L / 88.2 gal 411 L / 108.5 gal
Cabinet Cabinet Dimensions 35.4" x 19.7" x 39.4" 47.2" x 19.7" x 39.4"
Sump Compartment Dimensions 31.9" 18.1" 28" x 18.1
Material 18mm Solid Plywood 18mm Solid Plywood
Paint Laminated Laminated
Color White or Black White or Black

Manufacturer Info

Waterbox Aquariums was founded on 3 core principles. Build the highest quality Ultra Clear Glass Aquariums, Make them available to any hobbyist, Entry level to Professional and provide a vessel to grow the Aquatic Industry World Wide one new aquarium at a time.

Waterbox Aquariums are designed for simplicity and style, while allowing the consumer a way to constantly evolve and modify their Aquatic Environments to their liking. They believe that people want to work with technology they love.

"In its simplest form every Waterbox is the same, but when the consumer brings it to life, there are none alike."

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Return any new and unused item within 60 days for a full refund. Having difficulty with a product? Contact us to speak with an aquarium expert. If you need a replacement, fill out this form.

A small segment of the 180+ brands we carry require that customers contact them directly if/when problems arise. You can view the full list of those brands and get their contact info here.

We are unable to accept returns of Digital Aquatics, Neptune Systems, Vertex Aquaristik, Aqua Illumination (AI), EcoTech Marine, GHL, or Seneye products once the manufacturer's packaging seals have been broken.

Marine Depot is an authorized reseller for every product we carry. That means when you buy aquarium supplies from us, your products are not only backed by our own 60-day return policy, they also carry full factory warranties, where applicable. Some items have a 1-year warranty, others have limited lifetime warranties. Warranty coverage varies from manufacturer to manufacturer, so please read the product description of the item(s) you are considering thoroughly for details or contact us if you have warranty questions.

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0W2043 Peninsula 4820 Waterbox Aquariums - 108.5 gallons - Black // Waterbox Aquariums InStock 2299.00 USD 0.0 0