Civilization Layer
Undersea City

A permanent undersea city demonstrates safe long-term living, marine research, ocean farming, tourism, and ecological monitoring beneath the ocean surface.

Human settlement expands into the ocean in a more integrated way, linking habitation with marine stewardship and research.

Timeframe
2085 - 2110
Layer
Civilization Layer
Impact
high
Maturity
first completed city

Signals

  • Pressure-safe habitats support long-duration residents
  • Undersea cities connect to ocean farms and research stations
  • Marine protection rules shape settlement design

Implications

  • New models of ocean habitation
  • Expanded marine science and ecosystem monitoring
  • Debates over ocean territory and ecological limits
First completed undersea city with habitats and marine research systems