Scenic Bay in Lake Coeur d'Alene offers a varied freshwater environment featuring underwater cliffs and rock formations near the shoreline. Located 50 metres from the shore, the site reaches depths between 2 and 18 metres with an average of 6 metres. Snorkellers can explore the shallow slide area, while deeper sections contain the remains of old steamboats. Visibility ranges from 5 to 25 metres, though conditions vary. The water is cold year-round, with a strong thermocline and bottom temperatures near 4°C. A wetsuit is recommended for all activities. Access is available from both shore and boat, though users should remain aware of local boat traffic.

Whiskey Rock Bay is a freshwater wall site located on the eastern shore of Lake Coeur d'Alene. The topography consists of dramatic underwater rock ledges that descend into the lake. Divers and snorkellers can expect visibility ranging from 10 to 30 metres, though conditions vary. Access is primarily by boat, as the site is situated approximately 16 kilometres from the shore. This location is suited for intermediate divers due to the potential for cold water, low visibility, and boat traffic. Snorkelling is also highly rated at this location. As a freshwater environment, the site is defined by its geological features rather than specific marine life.

Maiden Rock is a granite wall formation that drops vertically into Lake Coeur d'Alene. The site offers a wall diving experience with depths ranging from 2 to 18 metres. Divers and snorkellers can explore the rock face as it descends into the lake. Conditions vary, with visibility typically between 3 and 10 metres and mild currents. The lake features a strong thermocline, with bottom water temperatures remaining near 4°C year-round, while surface temperatures fluctuate between 16 and 24°C in summer. Due to the cold water, drysuits are highly recommended. Access is available via both shore and boat entries. Facilities at the site include parking and toilets.

Green Bay in Lake Coeur d'Alene is a freshwater site featuring a unique cobblestone beach and rocky outcroppings. The shoreline geological formations extend underwater, providing an interesting topography for snorkelers. Access is via a shore entry. Conditions vary, with surface temperatures ranging from 15 to 24 degrees Celsius in summer, though temperatures can drop significantly in spring and autumn. A strong thermocline exists, and bottom waters remain near 4 degrees Celsius year-round. Due to the potential for cold water and mild currents, wetsuits are recommended for all visitors. Facilities at the site include parking, toilets, and showers.

Talache Landing on Lake Coeur d'Alene offers a freshwater snorkel experience across a rocky shoreline. Once a hub for mining activity, the site is known for historical artifacts, including old bottles and mining tools, which can be found among the rocks in the shallows. The site features depths ranging from 1 to 15 metres, with an average of 7 metres. Conditions include mild currents and visibility between 5 and 15 metres. Water temperatures are cold, and a wetsuit is recommended. Snorkellers should be aware of potential hazards, including boat traffic, entanglement risks, and low visibility.

Honeysuckle Beach on Lake Coeur d'Alene offers a straightforward shore entry for divers. The site is suitable for beginners, featuring an average depth of 4 metres. Divers should be prepared for variable conditions, with visibility reaching up to 6 metres. Water temperatures can be cold, particularly outside of summer, and thermal protection is necessary when temperatures drop below 13°C. Typical dives last approximately 30 minutes. Hazards at this location include boat traffic, cold water, and the potential for low visibility. On-site facilities include parking, toilets, showers, and changing rooms to support divers.

Landers Reef in Lake Coeur d'Alene offers a diverse underwater environment combining natural reef formations with a wreck and artificial reef structures. Designed for intermediate divers, this boat-accessed site features mild currents and visibility ranging from 5 to 10 metres. Divers should be prepared for cold water conditions year-round, necessitating appropriate thermal protection such as a drysuit or a thick wetsuit with hood and gloves. Surface conditions require vigilance due to consistent boat traffic in the area. Divers are advised to deploy a delayed surface marker buoy upon ascent to ensure safety while navigating between the various site features.

Sam Owen Beach on the Hope Peninsula offers a gradual slope into Lake Coeur d'Alene, making it a suitable location for beginner snorkelers. The site features shallow weed beds and rocky patches that provide a varied freshwater environment. Visibility typically ranges from 3 to 9 metres. Divers and snorkelers should be aware of the strong thermocline present in the lake, as deep waters remain near 4°C year-round. Nearshore temperatures only reach comfortable levels for swimming during July and August. Due to the significant risk of cold shock and hypothermia, appropriate thermal protection is necessary outside of the peak summer months.