---
title: How can we repair coral reef?
description: How can we repair coral reefs? Introducing our artificial reef programs hexadomes, bottle reefs and spider.
image: https://lh5.googleusercontent.com/OkP7LkMV9OSnI2DEffwVyIDYgMx50O49xSEKSo16FIk5uMyanz6VFGJoj6qC9V6oyHneMolmUiA67F7F9z--pqe8W33rPAZkeyVQbGvJNT6zcjq5mDd25yyQuxHM6JeeQri-LLvh
---

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[Wellbeing](https://blog.bawahreserve.com/tag/wellbeing)

Jul 30, 2026

## [The Art of Doing Nothing: Slow Travel at Bawah Reserve](https://blog.bawahreserve.com/the-art-of-doing-nothing-slow-travel-at-bawah-reserve?hsLang=en)

[Resort](https://blog.bawahreserve.com/tag/resort), [Wellbeing](https://blog.bawahreserve.com/tag/wellbeing)

Nov 7, 2025

## [All-inclusive Indonesia getaways: What’s really included at Bawah Reserve](https://blog.bawahreserve.com/all-inclusive-indonesia-getaways?hsLang=en)

[Resort](https://blog.bawahreserve.com/tag/resort)

Nov 4, 2025

## [Bawah Reserve Indonesia: Island mornings start with a juice butler, kombucha and jamu breakfast tonics](https://blog.bawahreserve.com/juice-butler-kombucha-and-jamu-breakfast-tonics?hsLang=en)

### FEATURED articles

<https://blog.bawahreserve.com/the-art-of-doing-nothing-slow-travel-at-bawah-reserve?hsLang=en>

<https://blog.bawahreserve.com/the-art-of-doing-nothing-slow-travel-at-bawah-reserve?hsLang=en>[Wellbeing](https://blog.bawahreserve.com/tag/wellbeing)

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 9 min

## [The Art of Doing Nothing: Slow Travel at Bawah Reserve](https://blog.bawahreserve.com/the-art-of-doing-nothing-slow-travel-at-bawah-reserve?hsLang=en)

At some point in the past decade or two, the travel industry discovered that 'wellness'...

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<https://blog.bawahreserve.com/all-inclusive-indonesia-getaways?hsLang=en>[Resort](https://blog.bawahreserve.com/tag/resort), [Wellbeing](https://blog.bawahreserve.com/tag/wellbeing)

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## [All-inclusive Indonesia getaways: What’s really included at Bawah Reserve](https://blog.bawahreserve.com/all-inclusive-indonesia-getaways?hsLang=en)

An all-inclusive experience, redefined…At Bawah Reserve in Indonesia’s pristine Anambas...

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 11 min

## [Bawah Reserve Indonesia: Island mornings start with a juice butler, kombucha and jamu breakfast tonics](https://blog.bawahreserve.com/juice-butler-kombucha-and-jamu-breakfast-tonics?hsLang=en)

Begin your day at Bawah Reserve with your choice from our Juice Butler service: fresh...

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## [Ikat: The thread that tells a story](https://blog.bawahreserve.com/ikat-indonesian-weaving-meets-island-design?hsLang=en)

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 14 min

## [Take the Plunge: The Bawah Reserve wild swim challenge](https://blog.bawahreserve.com/bawah-reserve-wild-swim-challenge?hsLang=en)

Ready to make a splash?For guests who are both swimming-fit and up for a challenge,...

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 17 min

## [Heat, Chill, Repeat Your guide to the new Aura Sanctuary contrast therapy circuit at Bawah Reserve](https://blog.bawahreserve.com/contrast-therapy-circuit-at-bawah-reserve?hsLang=en)

Welcome to the thermal contrast therapy facility at Aura Sanctuary at Bawah Reserve,...

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<https://blog.bawahreserve.com/indonesia-private-island-escape-bawah-reserve-overwater-bungalows-pool-villas?hsLang=en>[Resort](https://blog.bawahreserve.com/tag/resort)

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 14 min

## [Indonesia private island escape to Bawah Reserve: Insider tips for choosing between overwater bungalows and pool villas](https://blog.bawahreserve.com/indonesia-private-island-escape-bawah-reserve-overwater-bungalows-pool-villas?hsLang=en)

Planning your dream private island holiday in Indonesia? Here at **Bawah Reserve**, we...

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 12 min

## [Love Our Reels? Here’s How You Can Share Them!](https://blog.bawahreserve.com/share-our-instagram-reels?hsLang=en)

**3 ways to repost or use our Instagram Reels**

We love that you want to share a little...

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 31 min

## [2025 Wellbeing Trends](https://blog.bawahreserve.com/2025-wellness-trends?hsLang=en)

[2024 wellness trends](https://blog.bawahreserve.com/wellbeing-trends-2024?hsLang=en) were exciting for sure, but it keeps getting better! The top...

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<https://blog.bawahreserve.com/demure-mindful-trend?hsLang=en>[Sustainability](https://blog.bawahreserve.com/tag/sustainability), [Resort](https://blog.bawahreserve.com/tag/resort)

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## [Embracing the “Demure and Mindful” Trend at Bawah Reserve](https://blog.bawahreserve.com/demure-mindful-trend?hsLang=en)

A new subtle yet [powerful trend - that of being “demure” and “mindful”](https://www.theguardian.com/technology/article/2024/aug/16/demure-tiktok-trend)- has been...

<https://blog.bawahreserve.com/trigona-bees?hsLang=en>

<https://blog.bawahreserve.com/trigona-bees?hsLang=en>[Sustainability](https://blog.bawahreserve.com/tag/sustainability)

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 7 min

## [The unsung garden heros: Trigona bees at Bawah Reserve](https://blog.bawahreserve.com/trigona-bees?hsLang=en)

When we think of bees, honeybees often come to mind. However, at Bawah Reserve, a...

<https://blog.bawahreserve.com/anambas-foundation-2024-mid-year-progress?hsLang=en>

<https://blog.bawahreserve.com/anambas-foundation-2024-mid-year-progress?hsLang=en>[Sustainability](https://blog.bawahreserve.com/tag/sustainability)

[View Post](https://blog.bawahreserve.com/anambas-foundation-2024-mid-year-progress?hsLang=en)

 22 min

## [Anambas Foundation: 2024 Mid-Year Progress](https://blog.bawahreserve.com/anambas-foundation-2024-mid-year-progress?hsLang=en)

 What a start to 2024! Check out the mid year progress from the Anambas Foundation...

<https://blog.bawahreserve.com/the-ultimate-private-island-getaway-near-singapore?hsLang=en>

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 15 min

## [Paradise: Bawah Reserve - The Ultimate Private Island Getaway Near Singapore](https://blog.bawahreserve.com/the-ultimate-private-island-getaway-near-singapore?hsLang=en)

In the heart of Southeast Asia lies a hidden gem that promises a retreat into nature,...

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 10 min

## [Crafting Your Signature Scent: The New Wellbeing Trend of Designing Your Own Perfume](https://blog.bawahreserve.com/design-your-own-perfume-maison21g?hsLang=en)

Why settle for a fragrance that smells nice, when you can create one that speaks to your...

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 18 min

## [Escape to the Maldives of Southeast Asia – Bawah Reserve, Indonesia](https://blog.bawahreserve.com/escape-to-the-maldives-of-southeast-asia?hsLang=en)

It’s safe to say that if you ask someone to name a tropical island destination, they will...

<https://blog.bawahreserve.com/wellbeing-trends-2024?hsLang=en>

<https://blog.bawahreserve.com/wellbeing-trends-2024?hsLang=en>[Wellbeing](https://blog.bawahreserve.com/tag/wellbeing)

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 19 min

## [Wellbeing Trends for 2024](https://blog.bawahreserve.com/wellbeing-trends-2024?hsLang=en)

As we step into 2024, the world of well-being is teeming with transformative trends that...

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<https://blog.bawahreserve.com/earth-day-pledges?hsLang=en>[Sustainability](https://blog.bawahreserve.com/tag/sustainability), [Resort](https://blog.bawahreserve.com/tag/resort)

[View Post](https://blog.bawahreserve.com/earth-day-pledges?hsLang=en)

 25 min

## [Bawah Reserve Earth Day Pledges](https://blog.bawahreserve.com/earth-day-pledges?hsLang=en)

[2 years ago for Earth Day 2022](https://www.earthday.org/earth-day-2022/), we created 10 sincere pledges for investing in the planet...

<https://blog.bawahreserve.com/2024-wedding-trends?hsLang=en>

<https://blog.bawahreserve.com/2024-wedding-trends?hsLang=en>[Honeymoon](https://blog.bawahreserve.com/tag/honeymoon), [Weddings](https://blog.bawahreserve.com/tag/weddings)

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 13 min

## [2024/25 wedding trends you need to know!](https://blog.bawahreserve.com/2024-wedding-trends?hsLang=en)

Starting to plan your dream wedding? Some couples have a clear idea of their perfect...

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<https://blog.bawahreserve.com/-the-best-time-of-year-to-visit-bawah-reserve?hsLang=en>[Travel Essentials](https://blog.bawahreserve.com/tag/travel-essentials), [Resort](https://blog.bawahreserve.com/tag/resort)

[View Post](https://blog.bawahreserve.com/-the-best-time-of-year-to-visit-bawah-reserve?hsLang=en)

 19 min

## [When is the best time of year to visit Bawah Reserve?](https://blog.bawahreserve.com/-the-best-time-of-year-to-visit-bawah-reserve?hsLang=en)

We are often asked about the best time of year to schedule a trip to Bawah Reserve.Which...

<https://blog.bawahreserve.com/how-to-get-to-bawah-reserve-indonesia?hsLang=en>

<https://blog.bawahreserve.com/how-to-get-to-bawah-reserve-indonesia?hsLang=en>[Travel Essentials](https://blog.bawahreserve.com/tag/travel-essentials), [Resort](https://blog.bawahreserve.com/tag/resort)

[View Post](https://blog.bawahreserve.com/how-to-get-to-bawah-reserve-indonesia?hsLang=en)

 17 min

## [How to get to Bawah Reserve](https://blog.bawahreserve.com/how-to-get-to-bawah-reserve-indonesia?hsLang=en)

Our faraway paradise is well worth the journey and there are many ways to get to Bawah,...

[Sustainability](https://blog.bawahreserve.com/topic/sustainability?hsLang=en) [Diving](https://blog.bawahreserve.com/topic/diving?hsLang=en) [BACK TO BLOG HOME](https://blog.bawahreserve.com/)

# How can we repair coral reef?

21 / Mar / 2022 0 Comments.  23 minute read Written by: [Bawah Reserve](https://blog.bawahreserve.com/author/bawah-reserve)

![artificial reef programs at Bawah Reserve, how to repair coral reef. ](https://lh5.googleusercontent.com/OkP7LkMV9OSnI2DEffwVyIDYgMx50O49xSEKSo16FIk5uMyanz6VFGJoj6qC9V6oyHneMolmUiA67F7F9z--pqe8W33rPAZkeyVQbGvJNT6zcjq5mDd25yyQuxHM6JeeQri-LLvh)

As a protected marine conservation area, we work hard to maintain and nurture growth in our lagoons. How do we do this, you ask? Here’s our comprehensive guide to coral reef repair along with some of the reef restoration techniques we are trialing at Bawah Reserve and their progress so far.

 

## Why is coral reef restoration important?

Coral reefs are the most biologically diverse marine habitats in the world, host to an extraordinary variety of plants and animals, they occupy less than 0.1% of the world’s ocean area and yet are home to approximately 25% of all marine species. They are also one of the world's most fragile and endangered ecosystems. More on what a coral reef is here from [World Atlas of Coral Reefs](https://www.worldatlas.com/articles/what-is-a-coral-reef.html)  
Further, [recent studies](https://gcrmn.net/2020-report/) estimate the economic value of coral reefs in the trillions of dollars as  
they are a significant source of food, provide income and employ countless other benefits to humans. 

## How are coral reefs restored? How can we repair coral reef?

There are many artificial reef programs in place all over the world, with the goal of helping to  
bring coral reefs back to life. 

“Artificial reefs can come in all shapes and sizes, but the thing they all have in common is that they must be made of a stable, strong, non-reactive substrate. By providing this stable structure the artificial reef affords protection from predators for local fish and invertebrate populations and also provides somewhere for coral recruits to settle and grow.” [5 things you didn't know about coral reefs](https://blog.bawahreserve.com/5-things-you-didnt-know-about-artificial-coral-reefs?hsLang=en)

## How long does coral restoration take?

Coral reef restoration is a long process taking anywhere from nine years to decades. Remember coral has been forming for thousands of years, it is a natural formation that needs time to mature - sadly there is no overnight fix for this one. Depending on the species, corals grow from 2cm to 10cm per year, so it’s a bit of a waiting game.

## What are some methods being used to restore coral reefs?

## ![](https://lh5.googleusercontent.com/49KBbhPYNVUEnHnmPizJZKVOE_JsJdziWDpFlWDQ_hfeuR17Ge6v-35GcDG1aF6HAD_FndiGBR93JRWug3oxIPR8qnNKpPaTaqEHPlsquXPyzEzDyWOyZZoonXoC9zSKVXG0TKEO)

“Unsustainable fishing practices in the past have degraded coral reef ecosystems in several locations around Pulau Bawah and left rubble that is not stable enough for juvenile corals to settle and grow on. The purpose of artificial reef is to create a stable substrate for juvenile corals recruits, while also providing shelter for reef fish.” Raymond Saja, General Manager, Bawah Reserve, Indonesia

Here at Bawah, we are creating these stable substrates using 4 different coral reef restoration

methods :

- [Coral spiders](https://blog.bawahreserve.com/how-can-we-repair-coral-reef#Coralspiders)
- [Hexadomes](https://blog.bawahreserve.com/how-can-we-repair-coral-reef#Hexadomes)
- [Bottle reefs](https://blog.bawahreserve.com/how-can-we-repair-coral-reef#bottlereefs)

**Artificial Reef Information:** In total, all of our artificial reefs have rehabilitated an area of **709m2**

![](https://blog.bawahreserve.com/hubfs/Screenshot%202022-03-21%20at%2018-15-09-png.png)

 

| Units deployed |  2021 | 2022 | 2023 | Total Units |
| --- | --- | --- | --- | --- |
| Hexadome | 55 | 24 | 32 | 111 |
| Coral Spider | 70 | 0 | 187 | 257 |
| Bottle Reef | 44 | 3 | 37 | 84 |
| Corla Stakes | 0 | 366 | 587 | 953 |

 

Since the beginning of 2023 the total capacity of 2000 coral fragments:

|   | 2022 | 2023 | Total |
| --- | --- | --- | --- |
| Coral Fragments Planted on Nursery | 3022 | 1929 | 5525 |
| Coral Fragments transplanted to artificial reef | 1582 | 3416 | 5136 |

 

And we have more plans for this year:

- Deploy more [coral spiders,](https://blog.bawahreserve.com/how-can-we-repair-coral-reef#Coralspiders)[hexadomes,](https://blog.bawahreserve.com/how-can-we-repair-coral-reef#Hexadomes) [bottle reefs and to](https://blog.bawahreserve.com/how-can-we-repair-coral-reef#bottlereefs)Create Biorock artificial reef

 

## Coral spiders

 

![](https://lh6.googleusercontent.com/3knnxdo_f8G6uXcG01ZLlQ7DqjXR_78rMInCS2j0MNfwH0_vYxchXVCnE7MR2kxxb-7WLwIsz2TrUCL1fOL05AR9Va6MRa0RRBgtcdXO-qpNlqQOv68ei0lFQ8vHqAFuWtqfznel)

“Degraded reef habitats can be rehabilitated over large scales using the coral spider technique. A spider frame is relatively inexpensive to build and light enough to easily transport and install on a reef. The open shape of these frames allows room for corals to grow and allows water to flow through the  
frame. This technique is especially useful for areas that have been damaged by blast fishing, anchor, or storm damage, where structural complexity has been lost.” [Anambas Foundation Project Reef Restoration](https://www.anambasfoundation.org/project/reef-restoration/)   
   
![](https://lh3.googleusercontent.com/KJ-EvoToqAyUmaHE7WmTSJul2X7aLJwEcKUkMcK-ElOps416pYztdxBq8UFB_DxW22rgvS0IQOYhYCI17wHRoHWuP4fhOm6qYFKE5z_m86iE82--0FvATz57m8DGT32DI5DiUPzN)

##   Hexadomes

 

## ![](https://lh4.googleusercontent.com/GsIZ3TG32-Olnh8kycPMFk4uVWk4ULoRZz49HYQy3iu0OfE8i3mQvNtXuwLreQD9vFymudBMTMjeZGjaBvFCK4jy_OokVy-OGdePA4dnr8zMDhzDWObmq0MsLId3HO3Cyu5QbhzM)

Modern artificial reefs are commonly built with non-reactive metal or concrete and they can be any size and shape that the builder's imagination can allow. Some designs have become more popular than others, such as these concrete hexadomes. 

“Of all the materials used for artificial reefs, concrete most closely resembles natural reef formations, which is why it is so widely used” [Process Barron Concrete Artificial Reef](https://processbarron.com/with-the-help-of-concrete-artificial-coral-reefs-restore-whole-ecosystems/) 

## Bottle reefs

## ![](https://lh3.googleusercontent.com/elvEhawwuqsWsYSVrsjyPhH-ucP-2wUZl4KexbgCn_UcZBDYOepoN0PrLHQJhOOg64WF7Ku8tfw6tUYaoU6L2BUeSzo1XGlFdO347IKfDjhusWWmhvbTVVQI4k9PrCOgQT4xKM32)

 

Bottle units have proven to be very effective in reef restoration. Using recycled glass bottles is one way to turn ocean waste on it’s head! Literally… Glass bottles get fixed into a concrete base and fragments of coral are transplanted into the open mouths of the bottle. 

![](https://lh5.googleusercontent.com/OkP7LkMV9OSnI2DEffwVyIDYgMx50O49xSEKSo16FIk5uMyanz6VFGJoj6qC9V6oyHneMolmUiA67F7F9z--pqe8W33rPAZkeyVQbGvJNT6zcjq5mDd25yyQuxHM6JeeQri-LLvh)

 

![P4230008](https://blog.bawahreserve.com/hs-fs/hubfs/P4230008.jpg?width=4000&height=3000&name=P4230008.jpg)

 

 

 

**Crown of Thorns Removal**

 

![IMG_1816 @karolatakesphotos](https://blog.bawahreserve.com/hs-fs/hubfs/IMG_1816%20@karolatakesphotos.jpeg?width=4032&height=3024&name=IMG_1816%20@karolatakesphotos.jpeg)  
<https://blog.bawahreserve.com/the-crown-of-thorns-starfish?hsLang=en>

 

[Crown of Thorns Starfish](https://blog.bawahreserve.com/the-crown-of-thorns-starfish?hsLang=en) is a voracious coral predator. Well known for the damage they have inflicted on the Great Barrier Reef, an outbreak of these species can decimate a reef. While they are part of a natural reef ecosystem in small numbers, they are prolific breeders and human impact on reef ecosystems over decades means natural predators have been reduced and can cause increases in populations. Outbreaks in Bawah are probably caused by historic overfishing of this area. 

|   |   |   | **2022** | **2023** | **Total** |
| --- | --- | --- | --- | --- | --- |
| Crown of Thorns Starfish Removed | 58 | 936 | 994 |  |  |

 

 

Guests at Bawah are invited to get involved in the coral reef restoration effort by joining the diving team on marine conservation dives.  Before the dive guests will get a short presentation on what they will be doing, the type of dive they are about to do, and the reef restoration methods used in the dive. Then during the dive guests will visit the reef restoration projects and can help transplant and preserve coral for future generations as well as assist with other marine conservation eﬀorts such as underwater clean-ups to remove ghost ﬁshing nets and equipment left on the reef.  Learn More.

 

If you would like to contribute to the ongoing marine conservation efforts please consider [donating to the Anambas Foundation](https://www.anambasfoundation.org/donate/) who work on restoring reefs around the Anambas Archipelago including at Bawah Reserve.

 

 

Fancy a trip to Bawah Reserve? 

[![Start Your Journey](https://hubspot-no-cache-na2-prod.s3.amazonaws.com/cta/default/5414923/f42b5de5-7dd7-4651-bd0f-939bf49f5e45.png)](https://hubspot-cta-redirect-na2-prod.s3.amazonaws.com/cta/redirect/5414923/f42b5de5-7dd7-4651-bd0f-939bf49f5e45)

 

 

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