Bundoran is classified as achieving Excellent Water Quality in 2025 based on the assessment of bacteriological results for the period 2022 to 2025. Bundoran has achieved an Excellent Water Quality rating for the four consecutive years 2022 to 2025. Annual water quality ratings are generally calculated using monitoring results over a four-year period and are assessed against stringent bacterial limits to protect bather health.

Bundoran beach consists of a sandy beach in a sheltered bay facing Donegal Bay and the Atlantic. It contains a large sandbank which can change substantially with tidal changes. As part of Donegal Bay Bundoran has a wide diversity of both plant and animal species including some rare bird species. The catchment area is an idyllic location for bird watching and ecological activities. Activities at Bundoran beach include swimming, surfing and other land-based activities such as football, kite flying, etc.