- Amatikulu Aquarium Plants Detailed information of aquarium plants, their growth, propagation and maintenance as well as photos and plants for sale.
- Aqua Africa Advanced aquarium maintenance for the true conservationist
- Aquaculture Association of Southern Africa The association represents various sectors of the aquaculture industry at provincial, national and international level.
- Calcon cc Calcon consists of marine surveyors and consultants, independant inspection services, samplers and analysts.
- Dolphin Girls An awareness site regarding marine mammals.
- Feike Marine regulatory law and environmental management advisors.
- Humpback dolphins of Richards Bay This research project was started to try and understand the population dynamics of the rare humpback dolphins of Richards Bay.
- Just Blue Ascidian taxonomy and research
- Lighthouses of South Africa Come and take a tour of South African lighthouses, from Cape Columbine to Danger Piont, including Robben Island. We also offer collectable miniature lighthouse for sale.
- Prodive Solutions We specialise in rock breaking, surface blasting and underwater blasting in sensitive environments.
- Whales of Hermanus Chart Whales Of Hermanus Chart
- White Shark Discovery Discover the Great White Shark at Dyer Island / Gansbaai, Western Cape, South Africa.