Ontario Satellite Reef

Crocheted coral.

​The Ontario Satellite Reef is part of the worldwide Crochet Coral Reef project by Christine and Margaret Wertheim and the Institute For Figuring.​

Calling all creative, curious crafters …

We’re currently seeking contributions to a province-wide community art project, the Ontario Satellite Reef. Help us create a colourful coral reef—made entirely from crochet!

The Ontario Satellite Reef is part of Margaret and Christine Wertheim’s Crochet Coral Reef endeavour, an international initiative inspired by art, science and environmental activism. Since the Wertheims started the project in 2005, nearly 20,000 people from around the world have participated in crocheting 40-plus Satellite Reefs.

Create colourful pieces of coral, then send your work our way! Your crocheted coral will be displayed at the Science Centre as part of the Ontario Satellite Reef. Plus, upload a pic of your work to social media to contribute to our virtual satellite reef.

Header Photo Credit: Coral Forest, by Margaret and Christine Wertheim and the Institute For Figuring. Image by Stephanie Veto for Lehigh University Arts Galleries.

How can you participate?

Follow these steps to contribute to the Ontario Satellite Reef:

  1. Use this guide to learn how to crochet coral.
  2. Check out pics from the virtual satellite reef (below) and read about the Ontario Satellite Reef sections for inspiration.
  3. Create your coral!
  4. Share a pic of your work on Instagram with the tag @OntarioScienceCentre and the hashtag #OntarioSatelliteReef.
  5. Print a tag, fill it out and attach it to your coral. No printer? No problem! Write your details on an index card or other small piece of paper instead.
  6. Bring your coral to a designated drop-off spot, or contact us to arrange a drop-off at the Science Centre.

Once we receive your coral, we will add your work to the Ontario Satellite Reef. We will also add your name to the list of contributors on display.

Contribute to the virtual satellite reef

To contribute to our virtual satellite reef, upload a photo of your work to Instagram with the tag @OntarioScienceCentre and the hashtag #OntarioSatelliteReef. Your photo will automatically be added to our online gallery.



Note: All content in the virtual reef has been reviewed by the Science Centre. Please expect a short delay between posting your photo and seeing it in the gallery.

Want to keep your coral creation? No problem! All crafters are welcome to contribute to the virtual reef.

For more details on this project, check out these pages:


CIBC | Lead Sponsor, Crochet Coral Reef travelling exhibition and the Ontario Satellite Reef.

Lead Sponsor CIBC

The Crochet Coral Reef is presented in partnership with Margaret and Christine Wertheim and the Institute For Figuring.

Institute for Figuring