Seepark Linzgau is a freshwater lake dive site in Überlingen, Germany, featuring an artificial reef structure designed for beginner divers. The site offers shore access with depths ranging from 1 to 15 metres and an average depth of 10 metres. Divers experience mild currents and visibility that fluctuates between 2 and 7 metres. Due to the variable visibility, maintaining close contact with a dive partner is recommended. On-site facilities include parking, toilets, and air fills, allowing divers to refill cylinders locally. The site is well-suited for those looking to practice buoyancy skills in a sheltered environment.

Sipplingen Schifflände is a shore dive located on the German side of Lake Constance. The site features a sloping topography that descends from a shallow entry point of 2 metres to a maximum depth of 40 metres. Divers should be prepared for variable conditions, with visibility ranging from 1 to 15 metres. Due to active boat traffic, the use of a delayed surface marker buoy is necessary for all surface swimming. The entry requires caution due to potential surf. On-site facilities include parking, toilets, changing rooms, a rinse station, and air fills, making it a convenient location for a full day of diving.

Marienschlucht Beach in Wallhausen is a freshwater site characterised by a steep, rocky shoreline and a wall topography. Divers and snorkellers can explore depths ranging from 2 to 10 metres, with an average depth of 5 metres. Access is available by both shore and boat. Conditions vary, with visibility typically between 2 and 15 metres and mild currents. The water temperature in summer is approximately 10°C, which is considered cold. Due to the environment, divers should be aware of boat traffic, cold water, and potential for low visibility. The site offers facilities including toilets, showers, changing rooms, and a rinse station.

The Lädine is a historical wooden shipwreck located 120 metres from the shore in Wallhausen. Resting at a maximum depth of 22 metres with an average depth of 20 metres, the wreck remains in good condition. Divers typically spend 45 minutes exploring the site, which is suitable for intermediate divers. Entry is via the shore. Conditions include mild currents and visibility ranging from 1 to 10 metres. Divers should be aware of cold water, potential entanglement hazards, and boat traffic in the area. Facilities at the site include parking, a dive shop, and air fills.

Ueberlingen Promenade is a freshwater wall and reef site located on the northern shore of Lake Constance. Divers enter from the shore to explore a profile that drops from 15 metres to a maximum depth of 60 metres, with an average depth of 30 metres. The site features moderate currents along the wall, requiring active buoyancy control. Visibility is highly variable, ranging from 1 to 15 metres. Divers must be prepared for cold water temperatures, which drop to 4-6°C below 10 metres, posing a risk of regulator icing. Due to the significant depth and challenging conditions, this site is suitable for intermediate divers with advanced certification.

Ueberlingen Parkhaus Post is a challenging freshwater wall dive located in Überlingen, Germany. The site features a steep wall with an overhang, requiring advanced diving skills due to the depth and potential for strong currents. Divers enter from the shore and must adhere to the local regulation to dive only to the left. Depths range from 20 to 50 metres, with an average of 35 metres. Visibility fluctuates between 6 and 30 metres. Water temperatures are cold, typically between 6°C and 11°C, dropping further below 20 metres. Facilities at the site include parking, toilets, changing rooms, and access to air fills and a dive shop.

Seezeichen 24, historically known as Baugraf, is a freshwater dive site located in Überlingen, Lake Constance. The site features a reef, wall, and drop-off topography, with depths ranging from 20 to 52 metres and an average depth of 30 metres. Divers access the site from the shore, located approximately 50 metres from the entry point. Conditions include mild currents and visibility between 3 and 20 metres. Water temperatures decrease significantly with depth, reaching 4 to 5°C in deeper sections. The site is suitable for intermediate divers, with typical dive times around 50 minutes. Facilities available at the location include parking, toilets, and air fills.

Liebesinsel in Überlingen offers a challenging freshwater wall dive. Divers enter from the shore and swim approximately 200 metres to reach the site. The topography features a steep slope that transitions into a vertical wall starting at 25 metres, dropping to depths of 60 metres. Conditions are demanding, with strong currents, significant thermoclines, and visibility ranging from 3 to 20 metres. Water temperatures below 10 metres remain cold, often between 4 and 6°C. Due to the depth and environmental factors, this site is reserved for advanced divers. Species recorded around this area include snail, chub, brown trout, common perch, American crayfish, and pike.