Okto

Case study · 01 / 12

Abyssal

Client

Aquarium of Lisbon

Year

2026

Scope

Identity, wayfinding, web

Team

5 people, 7 months

An orange jellyfish against deep blue

(The brief)

A 30-year-old aquarium with a 1990s logo and a visitor map nobody could read in the dark.

The Aquarium of Lisbon asked us to modernise without losing the wonder that made generations of kids press their faces to the glass. We spent two weeks there before we drew a single line: watching how people moved, where they got lost, and which tanks made them go quiet.

(The idea)

A logo that sinks. As you go deeper in, the type gets heavier.

We built a custom variable typeface with a depth axis. Signs near the surface tanks are light and airy. By the abyssal zone they are dense and dark. The same axis drives the website, which gets heavier as you scroll.

Trench

Midwater

Shallows

Bioluminescence

Sand

Details

Scroll →

Shoot day, signage

Gift shop prints

Map texture

Tote bags

Tunnel wall graphic

Late opening night

34%

More visitors, year one

61%

Fewer "where's the exit?"

3

Design awards

1

Very happy octopus

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