Verdens Ende is a shore-entry reef site located in Hvaler and Fredrikstad, Norway. The site features a depth range of 12 to 40 metres, with shallower sections suitable for beginners and deeper areas for experienced divers. Visibility typically ranges from 10 to 30 metres. Divers should be prepared for cold water temperatures between 4 and 12 degrees Celsius, making a dry suit necessary. Entry involves navigating a surf zone, and mild currents are present. Facilities at the site include parking and a cafe for post-dive warmth. Always scout the entry point before gearing up, as the shore break can shift with tide and swell.

Ferder Fyr is a reef and wall dive site located in the waters of Hvaler and Fredrikstad. The site features depths ranging from 18 to 30 metres, though it extends to 50 metres, requiring careful depth monitoring to manage nitrogen narcosis risks. Divers experience visibility between 5 and 10 metres with mild currents. Due to water temperatures fluctuating between 4 and 14 degrees Celsius, a drysuit is strongly recommended to prevent hypothermia. Access is by boat only, and the site is suitable for beginners with appropriate certification. Hazards include cold water, entanglement, and potential surf conditions. Always confirm local boat logistics and current conditions before planning a dive.

Busteinsundet is a wall dive located in Hvaler and Fredrikstad, Norway. The site features a vertical rock face that drops from 15 metres to a depth of 25 metres. Divers should expect visibility between 5 and 10 metres and water temperatures ranging from 4C to 14C, making a drysuit necessary. Access to this site requires a boat. While the wall offers a stable environment for exploration, divers must remain aware of strong currents and monitor conditions throughout the dive. Night diving is possible, allowing for observation of invertebrates that become more active after dark. This site is suitable for intermediate divers.

Skarvesetet in Hvaler and Fredrikstad offers a combination of a drop-off and a gentle drift, providing a practical introduction to cold-water diving in Southern Norway. The site features depths ranging from 18 to 26 metres, with an average depth of 11 metres. Visibility is variable, typically spanning 10 to 30 metres. Due to water temperatures between 4 and 15 degrees Celsius, a drysuit is essential for comfort. Access is exclusively by boat, and the mild currents make this site suitable for beginners. Divers should remain aware of potential entanglement risks and manage gas consumption carefully given the depth and potential for surge.

Missingene in Hvaler and Fredrikstad offers a diverse underwater environment featuring both a wreck and a reef. Divers can explore depths ranging from 5 to 30 metres. The site is accessible only by boat and is suitable for beginners, with currents typically remaining mild. Visibility at the site generally ranges between 5 and 10 metres. Water temperatures are cold, fluctuating between 4C and 14C throughout the year. On-site facilities include toilets for visitor use. Due to the cold water conditions, appropriate thermal protection is required for all dives.