Founded 2016 · 52 living reefs

Rebuilding the
sea's backbone,
one fragment at a time.

Coralline is an ocean-restoration collective propagating Montipora capitata, Porites compressa, and six additional framework species across the Coral Triangle, Western Indian Ocean and Eastern Pacific.

Explore ↓ See the 3-minute documentary

317,600

Fragments deployed

52

Active reef zones

89%

Colony survival

12

Species cultivated

Submerge ↓

01 · The Threat Thermal Stress

2002 · thriving 2025 · stressed

70% at risk
by 2030

Coral doesn't vanish — it fades, slowly, silently.

A mere 1.5°C spike above baseline triggers mass expulsion of zooxanthellae — the photosynthetic partners corals depend on for 90% of their energy. What remains is a skeleton waiting to dissolve.

The family Pocilloporidae — dominant builders across the Indo-Pacific — has collapsed in 9 of 15 surveyed archipelagos. Montipora capitata is declining at similar rates.

19%

Reef area lost '10–'22

+1.2°C

Current warming

2040

Critical threshold

Slide to compare← →

02 · The Research

An ecosystem of techniques, layered like the reef itself.

Five converging disciplines — spanning epigenetics to bioacoustic mapping — orchestrated by a 36-person science team stationed across three ocean basins.

Method 01

Coral gardening

Branching species like Porites compressa thrive 15–30× faster when fragmented into 2cm clips and suspended on mid-water rope nurseries.

Method 02

Spawn seeding

Method 03

Selective breeding

Pairing thermally resilient M. capitata lineages from Hawai'i with Palauan genotypes.

Method 04

Soundscape restoration

12

species under study

3.1cm

avg. monthly extension

36

scientists deployed

03 · The Fieldwork

Three depth zones, one living mission.

0–4m · Shallows

Propagation

Floating rope nurseries suspend coral clips in optimal light. Each line carries 80 fragments; a station maintains 45 lines year-round.

4–15m · Mid-reef

Transplanting

Grown colonies are cemented onto prepped substrate in groups of 5–9. Montipora capitata fuses into continuous cover within 10 weeks.

15–35m · Deep slope

Assessment

Biannual sonar mapping tracks structural complexity across 1,800 tagged sites. Water eDNA reveals biodiversity recovery patterns.

04 · Locations

52 zones. Four basins. A single coordinated effort.

Active Monitoring Planned

Palau Barrier

M. capitata

74,200 deployed

Zanzibar Channel

P. compressa

58,340 deployed

Western Pacific

Palau Barrier

Montipora capitata

0

fragments deployed

Indian Ocean

Zanzibar Channel

Porites compressa

0

fragments deployed

Eastern Pacific

Galápagos Shelf

Pavona clavus

0

fragments deployed

Coral Triangle

Komodo Strait

Acropora hyacinthus

0

fragments deployed

05 · Support Us

Choose an amount. Seed a future.

Every dollar goes directly to the water. Each contribution is linked to a tagged colony with satellite-verified growth updates twice yearly.

Set your contribution

$120

Deploys 5 M. capitata fragments and covers 3 hrs of dive-team operations.

$10$2,500

Fragment

$30

Deploys one Porites compressa fragment. You receive a watercolor site postcard each season.

Rebuilding the sea's backbone, one fragment at a time.

Coral doesn't vanish — it fades, slowly, silently.

An ecosystem of techniques, layered like the reef itself.

Coral gardening

Spawn seeding

Selective breeding

Soundscape restoration

Three depth zones, one living mission.

Propagation

Transplanting

Assessment

52 zones. Four basins. A single coordinated effort.

Choose an amount. Seed a future.

Rebuilding the
sea's backbone,
one fragment at a time.