Description
PENINSULA 4820
The Most Beautiful Room Divider
Transform the Aquarium keeping experience with the PENINSULA. The PENINSULA takes the “room divider” to a new level with best in class features and unmatched clarity.
PENINSULA | 88 - 227 Gallons
All Models include aquarium, cabinet, and sump filtration system.
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.
*Available on the 3620 and 4820
Simple as ABC
Plumbed.
Our engineers have designed the PENINSULA with a ready to assemble plumbing kit that provides easy installation without any gluing required.
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Quick Connect AssemblyAssembly is quick and easy with no gluing required |
Precision Gate ValveControls the flow through the drains, ensuring quiet operation. |
Safety DrainDiverts water into the filtration compartment preventing an overflow, in the event of a clog. |
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Dual-ManifoldAdditional valves available for optional equipment. |
Flexible Return LineAccommodates your choice of return pump by using a flexible hose. |
Check ValveDesigned to eliminate back-siphoning, in the event of a power failure. |
A Reef Ready
Sump System
Our engineers have designed the PENINSULA with a ready to assemble plumbing kit that provides easy installation without any gluing required.


Filter Socks
Filter socks are an important for filtering out harmful bacteria and waste. Sock sizes and accessories differ by model.
PENINSULA 3620 and PENINSULA 4820:
Include two 4" 225 micron felt filter socks with two 4" silencers.
PENINSULA 6025 and PENINSULA 7225:
Include two 4" mesh and two 4" 225 micron felt filter socks with two 4" silencers.

Removable Refugium Baffle
Provides the option to utilize a refugium for nutrient export.
*Available on the PENINSULA 6025 and PENINSULA 7225

Evaporation Reservoir
The sump system has dedicated chamber for the use of an auto top-off controller.

Evaporation Reservoir
The sump system has dedicated chamber for the use of an auto top-off controller.
Pre-Cut Filter Sponge
Increases filtration and reduces micro-bubbles in the system.
Accessibility from both sides.
Waterbox furniture is designed to elevate your living spaces with our first in class cabinetry and finishes. Our PENINSULA offers the industry’s only cabinet with access from both sides.
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Soft-Close Doors
PVC coated hinges with soft close doors. |
Leveling FeetLeveling feet to provide long-lasting support and stability. |
Push-Open Doors
Recessed push-open hardware.

Interchangeable Access
Unique to the PENINSULA 3620 and 4820, you can decide which side to position the doors.
MyAI App Blueprint
Download the customized lighting scheduled specifically designed for fish only.
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Download Fish Only Blueprint | Download Soft Corals Blueprint | Download Mixed Reef Only |
PENINSULA
PRODUCT MODEL | PENINSULA 3620 | PENINSULA 4820 | PENINSULA 6025 | PENINSULA 7225 | |
---|---|---|---|---|---|
System | Height with Cabinet | 1550mm/61" | 1550mm/61" | 1500mm/59.1" | 1500mm/59.1" |
Total Volume | 334 L/88.2 gals | 411 L/108.5 gals | 705 L/186.3 gals | 859 L/227 gals | |
Display Tank |
Tank Dimensions | 900 x 500 x 550mm | 1200 x 500 x 550mm | 1536 x 643 x 600mm | 1836 x 643 x 600mm |
35.4"×19.7"×21.7" | 47.2"×19.7"×21.7" | 60.5"×25.3"×23.6" | 72.3"×25.3"×23.6" | ||
Glass Thickness | 12mm (1/2") | 12mm (1/2") | 19mm (3/4") | 19mm (3/4") | |
Water Height | 535mm/21.1" | 535mm/21.1" | 585mm/23.0" | 585mm/23.0" | |
Aquarium Volume | 224 L/59.3 gals | 301 L/79.6 gals | 527 L/139.1 gals | 632 L/167 gals | |
Glass Material | Opti-white/Ultra-clear glass | Opti-white/Ultra-clear glass | |||
Transmittance | 91% | 91% | |||
Sump | Sump Dimensions | 680 x 450 x 380mm | 680 x 450 x 380mm | 920 x 520 x 400mm | 820 x 520 x 400mm |
26.8"×17.7"×15" | 26.8"×17.7"×15" | 36.2"×20.5"×15.7" | 32.3"×20.5"×15.7" | ||
Sump Volume | 109 L/28.9 gals | 109 L/28.9 gals | 179 L/47.2 gals | 159 L/42 gals | |
Glass Thickness | 6mm (1/4") | 6mm (1/4") | 8mm (5/16") | 8mm (5/16") | |
Refugium Chamer (Max Dimensions) |
N/A | N/A | 219 x 392mm | 219 x 440mm | |
8.6"×15.4" | 8.6"×17.3" | ||||
Refugium Chamer (Min Dimensions) |
219 x 392mm | 219 x 440mm | |||
8.6"×15.4" | 8.6"×17.3" | ||||
Skimmer Chamber (w/o Refugium) |
340 x 438mm | 340 x 438mm | 392 x 504mm | 440 x 504mm | |
13.4"×17.2" | 13.4"×17.2" | 15.4"×19.8" | 17.3"×19.8" | ||
Skimmer Chamber (with Min Refugium) |
N/A | N/A | 279 x 392mm | 279 x 440mm | |
11"×15.4" | 11"×17.3" | ||||
Skimmer Chamber (with Max Refugium) |
279 x 392mm | 279 x 440mm | |||
11"×15.4" | 11"×17.3" | ||||
Pump Chamber | 170 x 213mm | 170 x 213mm | 227 x 279mm | 227 x 279mm | |
6.7"×8.4" | 6.7"×8.4" | 8.9"×11" | 8.9"×11" | ||
RO Reservor DIM | 101 x 438 x 374mm | 101 x 438 x 374mm | 142 x 504 x 392mm | ATO Tank | |
4"×17.2"×14.7" | 4"×17.2"×14.7" | 5.6"×19.8"×15.4" | |||
RO Volume | 16.5 L/4.4 gals | 16.5 L/4.4 gals | 28.1 L/7.4 gals | ||
ATO Tank | ATO Dimensions | N/A | N/A | N/A | 380 x 485 x 400mm |
15"×19.1"×15.7" | |||||
ATO Volume | 69 L/18.1 gals | ||||
Glass Thickness | 6mm (1/4") | ||||
Plumbing | Main Drain | DN25 | DN25 | DN32 | DN32 |
Emergency Overflow | DN25 | DN25 | DN32 | DN32 | |
Pump Return | DN20 | DN20 | DN25 | DN25 | |
Nozzles | DN15 x 2 | DN15 x 2 | DN20 x 2 | DN20 x 2 | |
Filter Socks | 105mm/4" x 2 | 105mm/4" x 2 | 105mm/4" x 4 | 105mm/4" x 4 | |
Cabinet | Cabinet Model | PWD 3620 | PWD 4820 | UVD 6025 | UVD 7225 |
Cabinet Dimensions | 900 x 500 x 1000mm | 1200 x 500 x 1000mm | 1536 x 643 x 900mm | 1836 x 643 x 900mm | |
35.4"×19.7"×39.4" | 47,2"×19.7"×39.4" | 60.5"×25.3"×35.4" | 72.3"×25.3"×35.4" | ||
Sump Compartment Inner Dimensions |
810 x 460mm | 710 x 460mm | 915 x 605mm | 815 x 605mm | |
31.9"×18.1" | 28"×18.1" | 36"×23.8" | 32.1"×23.8" | ||
Material | 18mm solid plywood | 18mm solid plywood | |||
Paint | Laminted | PU Painting (side & front) | |||
Color | W-White, B-Black | W-White, B-Black |
* All volumes are calculated from net tank dimension less the glass thickness. They may vary dependent on user configuration and system application.
** All specifications are subject to changes without prior notice.
Home Delivery
Getting your Waterbox Aquarium home has never been easier with direct freight.
You Can Now Choose From The Following Service Levels
Waterbox Aquariums has partnered with FedEx to provide our customers with an enhanced delivery service called Freight Direct. Getting your Waterbox Aquarium home has never been easier.
CURBSIDE DELIVERY, INCLUDED
Standard curbside delivery is included, free of charge on FRAG, REEF, PENINSULA & CLEAR PRO models from our dock to your home.
ENTRYWAY OR GARAGE DELIVERY, $99
Delivery to the front door, back door or inside the garage. This does not include any ascension of stairs. This option also allows you to conveniently set and confirm your two-hour delivery window via text. Freight Direct will keep you up to date on the movement of your shipment the day of delivery, by letting you know when the driver is en route to your home. *
PREMIUM INSIDE DELIVERY, $199
Delivery to any room in your home, even the second floor! This option is a two-person delivery with placement in the room of your choice. It includes all of the perks of Inside Delivery, plus optional packing removal. This means our delivery driver will haul away the pallet for you upon request. Some models excluded based on weight restrictions.*
*Recipients must opt-in to receive text message notifications.
**Pallets over 1,500 pounds are not eligible for Entryway/Garage or Premium Delivery services.
***Packaging removal to be requested by the end customer by providing consent at time of delivery.
Payment & Security
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