Pre-Release & Free Ebooks

Aquarius Reef Base ebook, first in the Sanctuary Science Series!
This is the first book in the Sanctuary Science Series. From the Florida International University website: The Medina Aquarius Program[...]

Test your Marine Life Knowledge

Spiegel Grove Quiz
Take the Spiegel Grove Quiz to see what you know about this iconic artificial reef in the Florida Keys. Do[...]
Coral Restoration Quiz
Take the Coral Restoration Quiz to test your knowledge of the important restoration efforts underway in the Florida Keys. How[...]
Deep Molasses Reef Quiz
Take the Deep Molasses Reef Quiz to test your knowledge of the deeper parts of Molasses Reef in the Florida[...]

About the Author

Tim-Grollimund

Tim Grollimund

Underwater Photographer and Newspaper Columnist

Tim is based in Key Largo, Florida. He wrote the scuba diving column for the local newspaper, The Reporter, for over three years, and also served as a Working Group member and Alternate Representative on the Florida Keys National Marine Sanctuary Advisory Council. His ebooks are all based on his newspaper columns. Each ebook has a collection of underwater images shot by Tim. The ebooks cover a wide range of marine life species and ocean conservation topics.