Sloterplas Ganzeneiland is a freshwater inland dive site in the Netherlands featuring an artificial reef structure. This location offers a sheltered, current-free environment suitable for beginner divers. The site is accessed via a shore entry and is located 200 metres from the shore. Divers can explore depths ranging from 10 to 30 metres, with an average depth of 20 metres. Visibility is variable, typically between 1 and 6 metres, and is often better during cooler months when algae growth is reduced. Water temperatures fluctuate between 6 and 20 degrees Celsius, requiring appropriate thermal protection such as a wetsuit or drysuit throughout the year.

Sloterplas Oost is a freshwater lake dive site located in the Vinkeveense Plassen. The site features both natural and artificial reef structures, providing varied topography for beginners. Divers can explore depths ranging from 10 to 40 metres, with a thermocline typically reported between 5 and 9 metres. Visibility is variable, ranging from 1 to 6 metres, making it a practical location for low-visibility training. The site is accessible via shore entry and is suitable for night diving. Due to boat traffic, the use of a surface marker buoy is essential during all ascents. Water temperatures fluctuate between 6 and 20 degrees Celsius throughout the year.

Ouderkerkerplas is an artificial reef site in the Netherlands offering shore access via a slope. The topography features a shallow section and a deeper area on the left, with depths ranging from 5 to 40 metres and an average of 8 metres. Conditions vary, with visibility between 1 and 8 metres and mild currents. Divers should be aware of hazards including deep water, potential entanglement, low visibility, and overhead environments. Facilities at the site include parking, toilets, showers, and a rinse station. Species recorded around this area include snails, round goby, bronze bream, American crayfish, pike, common perch, and pike perch.

Beachhouse is a shore-entry reef and drift site located in Grevelingen, Netherlands. Divers can explore the reef structure at depths ranging from 6 to 13 metres, with an average depth of 8 metres. The site is situated 50 metres from the shore. Visibility typically fluctuates between 5 and 10 metres. Water temperatures vary significantly throughout the year, ranging from 7C to 20C, necessitating appropriate thermal protection. Due to active boat traffic in the area, the use of a surface marker buoy is essential for all divers. The site supports a variety of temperate marine life and invertebrates typical of the region.

Zandeiland 4 is a freshwater dive site located within the Vinkeveense Plassen. The topography consists of extensive seagrass beds and a wreck that serves as a primary point of interest. With depths starting at 5 metres, the site is suitable for beginner divers. Conditions include a mild current and water temperatures ranging from 6C to 20C throughout the year. Divers should exercise caution regarding potential entanglement hazards on the wreck and sharp structures. Visibility at this site is variable and dependent on seasonal changes and recent weather patterns. Shore entry is possible, though divers should remain aware of local conditions before entering the water.

Haarlemmermeerse Bos is an artificial reef located in the Grevelingen, Netherlands. Divers access the site from the shore, with the main area situated approximately 50 metres out. The site features depths ranging from 5 to 20 metres, with an average depth of 15 metres. Conditions vary, with visibility typically between 1 and 10 metres. An air circulation system operates from May 1st to October 1st to manage water temperature and cyanobacteria levels. Divers should be aware of potential hazards including boat traffic, entanglement risks, strong currents, and low visibility. Facilities at the site include parking and a cafe. Night diving is permitted.

The AMC hyperbare kamer is a unique freshwater dive site in the Vinkeveense Plassen, featuring a decommissioned hyperbaric chamber resting on the lake bed. This artificial structure and associated wreck features provide a distinct navigation point for divers. The site ranges from 5 to 15 metres in depth, with an average of 10 metres, and offers visibility between 5 and 10 metres. Conditions are generally mild, though divers should remain cautious of boat traffic and use a surface marker buoy. Shore access is available, and the site is suitable for beginners with an Open Water certification. Facilities include parking, toilets, showers, a rinse station, and air fills.

Molenplas in Grevelingen offers a reef structure ranging from 6 to 18 metres in depth. The site is accessible via both shore and boat entries, making it suitable for various training needs. Divers encounter mild currents and visibility typically between 5 and 10 metres. Water temperatures fluctuate significantly throughout the year, ranging from 7 to 20 degrees Celsius, necessitating appropriate thermal protection such as a drysuit or thick wetsuit with hood and gloves during colder months. The habitat supports a variety of temperate marine life and invertebrates typical of the region. Always remain aware of boat traffic near the shore entry point and verify current conditions before entering the water.