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Saltwater Aquarium Guide Reef-keeping magazine
Beginner & Setup Guides

Peninsula Reef Setup: Three-Sided Viewing for Open-Concept Spaces

Designing a peninsula reef as a room divider with viewing from three sides — aquascape, lighting, and equipment placement.

Coral aquarium with branching Acropora colonies and a butterflyfish
Photo: WolfmanSF, CC BY-SA 4.0, via Wikimedia Commons (cropped)

Peninsula tanks function as living room dividers, viewable from three sides. They demand careful aquascape design and lighting that distributes evenly.

Aquascape

Centered island scape, not back-wall, so all three viewing angles work.