Red Sea REEFER Peninsula 500 G3 Aquarium in Black

Red Sea REEFER Peninsula 500 G3 Black 109 Gallons Built for Clean, Functional Reef Setups

The Red Sea REEFER Peninsula 500 G3 Black 109 Gallons delivers a balanced reef system that fits well in both open spaces and dedicated setups. It creates a clear viewing line across the tank, making coral placement feel intentional instead of cramped.

This system keeps things practical. The footprint stays manageable, yet it still supports a full reef build with room for growth. It works especially well for hobbyists who want structure, flexibility, and a clean presentation without stepping into oversized systems.

Red Sea REEFER Peninsula 500 G3 Black Display Layout and Viewing

The Red Sea REEFER Peninsula uses a peninsula-style design that allows viewing from both long sides of the aquarium. This layout improves visibility and helps create a natural flow throughout the display.

The ultra-clear glass keeps colors sharp and accurate, which helps coral and fish stand out under proper lighting. Meanwhile, the eurobraced top adds structural support without interrupting the clean edges of the tank.

Red Sea REEFER Peninsula 500 G3 Black Cabinet and Build Quality

The system includes a marine-spec cabinet designed for strength, moisture resistance, and long-term durability.

Core cabinet features include:

• Marine-grade laminated plywood construction
• Moisture-resistant exterior panels
• Adjustable leveling feet for stable installation
• Reversible cabinet doors for flexible sump access

The black finish creates contrast, helping the display stand out while keeping the overall system grounded visually.

Filtration and Sump Setup

The included sump keeps the layout simple while allowing room for upgrades as the system grows.

Filtration highlights include:

• 28.2-gallon sump capacity for stable water volume
• Compatible with ReefMat 1200 fleece filters
• Designed for REEFER DC 600 protein skimmers
• Straightforward layout for easier maintenance

This setup supports both entry-level reef filtration and more advanced configurations over time.

Plumbing and Flow Control

The plumbing system arrives pre-configured, which reduces setup time and eliminates guesswork.

Flow system features include:

• Pre-assembled plumbing with no glue required
• ReefGate valve for precise drain adjustment
• Reduced pipe angles for smoother water movement
• Quiet operation once properly tuned

This design helps maintain consistent flow while reducing the need for constant adjustments.

Integrated Control Features

The system includes monitoring tools that help maintain stability and reduce daily maintenance.

Included control features:

• ReefATO+ automatic top-off system
• Temperature monitoring with app notifications
• Leak detection with automatic safety shutoff
• Real-time water level tracking

These features help keep the system consistent without constant manual input.

Specifications

• Display Tank Dimensions: 49.2" L × 25" W × 23.6" H
• Total System Height: 63"
• Display Volume: 109 gallons
• Total System Volume: 137.1 gallons
• Sump Volume: 28.2 gallons
• Glass Thickness: 0.59"
• ATO Pump Flow Rate: 75 GPH
• Max Head Height: 8 feet

What It Comes with

• REEFER Peninsula 500 G3 display aquarium
• Marine-spec cabinet in black finish
• Glass sump with pre-installed plumbing
• ReefATO+ auto top-off system

Shipping and Comparison Information

This Red Sea REEFER Peninsula 500 G3 Black 109 Gallons ships directly from Red Sea using freight delivery. Please allow 1–3 weeks for processing and delivery, depending on availability and location.

You can also compare this system with other REEFER and standard models using the aquarium comparison tool. This helps evaluate size, layout, and features before choosing the right setup.