There are environmental concerns related to the Curonian Spit, which is often promoted as a refuge of clean nature.

Due to the importance of tourism and fishing for the regional economy, pollution of sea and coastlines may have disastrous effects for the area as the unique nature and the economy would be damaged.

The construction of an offshore drilling facility (the Kravtsovskoye (D-6) oilfield) in the territorial waters of Russia, 22.5 km (14.0 mi) from the coastline of the Curonian Spit raised concerns over possible oil spills.
Between 2002 and 2005 local environmentalists in Kaliningrad Oblast and Lithuania protested against Lukoil's plans to exploit the oilfield, objecting to the possible great damage to the environment and tourism (a vital source of income in the area) in case of oil leakage.
These concerns did not engender support in the government of Russia.
They were, however, supported by the government of Lithuania.
The oilfield is about 4 km (2.5 mi) from the boundary of Lithuanian territorial waters; the prevailing northward currents means that the Lithuanian coastlines would receive much potential damage in case of leakage.
Opposition to the operation of D-6 met little international support, and the oil platform was opened in 2004.
During the first decade of the 21st century the two states agreed to a joint environmental impact assessment of the D-6 project, including plans for oil spill mitigation.
The assessment and mitigation project had not been completed as of 2010.

Another concern is that increased tourism destroys the very nature that attracts it.
For this reason, protective measures have been taken, such as banning tourists from hiking in certain areas of the spit.

Natural hazards are more dangerous in the Curonian Spit than elsewhere in Lithuania or the Kaliningrad Oblast.
For example, storms tend to be stronger there.
Due to the importance of trees in preventing soil erosion, forest fires that happen in summer are more dangerous to the ecology.
There are environmental concerns related to the Curonian Spit, which is often promoted as a refuge of clean nature.
Due to the importance of tourism and fishing for the regional economy, pollution of sea and coastlines may have disastrous effects for the area as the unique nature and the economy would be damaged.
The construction of an offshore drilling facility (the Kravtsovskoye (D-6) oilfield) in the territorial waters of Russia, 22.5 km (14.0 mi) from the coastline of the Curonian Spit raised concerns over possible oil spills. Between 2002 and 2005 local environmentalists in Kaliningrad Oblast and Lithuania protested against Lukoil's plans to exploit the oilfield, objecting to the possible great damage to the environment and tourism (a vital source of income in the area) in case of oil leakage. These concerns did not engender support in the government of Russia. They were, however, supported by the government of Lithuania. The oilfield is about 4 km (2.5 mi) from the boundary of Lithuanian territorial waters; the prevailing northward currents means that the Lithuanian coastlines would receive much potential damage in case of leakage. Opposition to the operation of D-6 met little international support, and the oil platform was opened in 2004. During the first decade of the 21st century the two states agreed to a joint environmental impact assessment of the D-6 project, including plans for oil spill mitigation. The assessment and mitigation project had not been completed as of 2010.
Another concern is that increased tourism destroys the very nature that attracts it. For this reason, protective measures have been taken, such as banning tourists from hiking in certain areas of the spit.
Natural hazards are more dangerous in the Curonian Spit than elsewhere in Lithuania or the Kaliningrad Oblast. For example, storms tend to be stronger there. Due to the importance of trees in preventing soil erosion, forest fires that happen in summer are more dangerous to the ecology.
Curonian Spit