Selja River Mouth Beach is a sandy beach, which generally provides a comfortable entry into the water for swimming. The presence of a river mouth means the water might be a mix of fresh and brackish, and currents could be present, especially after heavy rains. While it's a natural and quiet spot, there are typically no lifeguards, so swimmers should be mindful of conditions and supervise children closely. The water quality is generally good in Estonian coastal areas.

To experience Selja River Mouth Beach with pleasant weather and minimal crowds, consider visiting during the late spring (May-June) or early autumn (September). These periods offer comfortable temperatures for enjoying the beach and surrounding nature, without the peak summer influx of visitors. The summer months (July-August) provide the warmest swimming conditions but might see slightly more activity, though it remains a relatively quiet and undiscovered location.

Selja River Mouth Beach is located between Rutja and Karepa in Lääne-Viru County, Estonia. As a natural and hidden beach, public transportation options might be limited, making a car the most practical way to reach it. Visitors should navigate towards Selja village and look for local access points to the coast. Parking is likely informal, possibly along quiet roadsides or in small, undesignated areas near the beach access points.

Given its description as a natural river-mouth beach valuable for quiet discovery, Selja River Mouth Beach itself is unlikely to have direct food or lodging facilities. Visitors should plan to bring their own provisions for a day trip. For dining and accommodation, the nearby villages of Rutja and Karepa, or larger towns in Lääne-Viru County, would be the best places to look for guesthouses, cafes, or restaurants.

Selja River Mouth Beach offers a unique blend of sandy shoreline and the natural dynamics of a river meeting the sea. Its 'hidden' and 'quiet discovery' nature makes it ideal for those seeking tranquility away from more developed areas. The scenic beauty, combined with the ecological interest of a river mouth environment, provides a distinct experience. It's perfect for nature lovers and families looking for a peaceful, unspoiled coastal retreat.