Kasitsna Bay Laboratory provides a cold-water shore entry featuring a diverse mix of reef, kelp forest, seagrass, and artificial reef structures. Depths range from 2 to 18 metres with mild currents. Divers and snorkellers may encounter Giant Pacific Octopus, King Crab, and various nudibranchs including Monterey and Nanaimo Dorids. Sea stars, such as the Sunflower and Leather Star, are also common. Due to the 4C to 10C water temperatures, drysuits are required. Hazards include surf, shore break, and rip currents at the entry point, alongside potential kelp entanglement. Visibility is highly variable, making a dive light and surface marker buoy essential equipment for all divers.

Gull Island Rookery is a kelp forest site located in Kachemak Bay, United States. Accessible only by boat, the site is situated approximately 4828 metres from shore. Divers and snorkellers should be prepared for cold water conditions, with temperatures ranging from 4C to 11C throughout the year. The site is subject to moderate currents and potential surf, requiring intermediate skill levels. Due to the nature of the location, boat traffic is a primary hazard. The site is well-regarded for snorkelling, offering an opportunity to observe the environment surrounding the island's seabird colony.