![]() | |
---|---|
Plot | Fixed |
Cost | 180,000 ![]() |
5 ![]() | |
18 ![]() | |
12 ![]() | |
Provides | 400 ![]() |
Population limit: | |
No periodic benefit | |
Construction | Instant |

The Great Protective Barrier is an infrastructure building located off the coast to the west of the Marina expansion territory. It was added during an update on 02.18.2014 as part of the timed quest called Creatures of the Seven Seas.[1]
A total of 170 assets are needed to complete construction of the Great Protective Barrier. This is equivalent to 210 if one were to buy every asset instead of waiting to receive them from neighbors.
Quests and Achievements[]
Quests
- Timed Quest: Creatures of the Seven Seas
Requirements[]
- Level 15 for both
and
- Completion of the Oceanic Platform (Level 1)
Great Protective Barrier (Level 1)[]

Requires | Rewards |
---|---|
|
Asset | Image | Amount | Price | Cost |
---|---|---|---|---|
Water Softeners | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Rescue Boat | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Surveillance Systems | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Info Board | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Lifebuoy | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Marine Diesel Oil | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Signal Flags | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Monitoring Station (Level 2)[]

Requires | Rewards |
---|---|
|
Asset | Image | Amount | Price | Cost |
---|---|---|---|---|
Surveillance Radar | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Brake Pads | ![]() |
x 10 | 1 ![]() |
10 ![]() |
3D Scanners | ![]() |
x 10 | 1 ![]() |
10 ![]() |
First-Aid Kit | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Safety Barriers | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Research Equipment | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Dolphin | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Disinfection System | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Aquarium Equipment | ![]() |
x 10 | 1 ![]() |
10 ![]() |
Aerogel | ![]() |
x 10 | 5 ![]() |
50 ![]() |