Dyuny Beach offers generally safe swimming conditions with sandy bottoms and gradual depth increases. The Gulf of Finland waters here remain cool, averaging 17-20°C in summer. The beach has both textile and naturist sections, clearly separated by natural dunes. Swimming is safest during calm weather, as winds can create choppy conditions. No lifeguards are regularly stationed, so exercise caution. The naturist area is well-established and respectful, with informal community guidelines. Always check weather forecasts before visiting, as Baltic storms can develop quickly.

The best weather at Dyuny Beach occurs from mid-June through August, when temperatures range from 20-25°C (68-77°F) and water is warmest. July typically offers the most sunshine and warmest conditions. However, the Baltic climate can be unpredictable with sudden rain or wind. Late May and early September can provide pleasant, less crowded visits with mild temperatures, though water remains cold. Weekends during peak summer see the highest attendance. Check forecasts carefully, as even summer days can be cool and windy along the Gulf of Finland.

From Saint Petersburg, take the suburban train (elektrichka) from Finland Station to Sestroretsk, approximately 40-45 minutes. From Sestroretsk station, it's about a 3-kilometer walk or short taxi ride to the beach. By car, drive northwest on Primorskoe Highway (A-121) for about 35 kilometers, then follow signs toward the coast. Parking is available near the beach but can fill quickly on summer weekends. Marshrutka minibuses also serve Sestroretsk from various Saint Petersburg locations. The beach access involves walking through sandy dunes.

Sestroretsk town, about 3 kilometers from Dyuny Beach, offers various restaurants, cafes, and grocery stores serving Russian and international cuisine. The beach itself has minimal facilities, with occasional mobile food vendors in summer. For accommodation, Sestroretsk provides hotels, guesthouses, and sanatoriums ranging from budget to mid-range. Many visitors rent apartments or stay in nearby Saint Petersburg for day trips. Pack food and drinks for beach days, as on-site options are limited. The town has ATMs and essential services for longer stays.

Dyuny Beach (meaning "Dunes Beach") is distinguished by its dramatic natural sand dunes that rise several meters high, creating a unique landscape rare in the Saint Petersburg region. These windswept dunes form natural barriers and privacy screens, contributing to the beach's reputation as a naturist destination since Soviet times. The dune ecosystem supports specialized vegetation and provides stunning views of the Gulf of Finland. The shifting sands create an almost desert-like environment contrasting with surrounding forests. This geological feature has made Dyuny an iconic, scenic destination for nature lovers and photographers.