Nelly Bay is generally safe for swimming and popular with families due to its sheltered position and calm waters. The bay features a stinger-resistant enclosure during jellyfish season (November to May), making it safer year-round. Lifeguards patrol during peak times, and the beach has shallow areas ideal for children. Always swim between the flags, check local warnings for marine stingers, and supervise children closely. The calm conditions also make it suitable for stand-up paddleboarding and kayaking.

Nelly Bay is accessible year-round, with each season offering different advantages. May to October provides cooler, dry weather with minimal jellyfish risk and comfortable temperatures (20-28°C). November to April brings warmer, humid conditions ideal for water activities, though marine stingers are present—swim within the stinger nets. Weekdays are quieter than weekends. Early mornings offer the calmest water and best light for photography, while sunset views across the bay are spectacular any time of year.

Nelly Bay is the main ferry arrival point on Magnetic Island. Regular SeaLink ferries depart Townsville (20-25 minutes), with vehicle and passenger services available. The beach is a short walk from the ferry terminal. Free parking is available along the Nelly Bay Esplanade and at the terminal car park, though spaces fill quickly on weekends and holidays. Many visitors explore the island by hiring golf buggies, scooters, or bikes at the terminal, or use the local bus service connecting island beaches.

Nelly Bay offers several dining options within walking distance, including cafés, takeaway shops, and restaurants near the ferry terminal and along the esplanade. The island has a small supermarket for self-catering. Accommodation ranges from budget backpackers to holiday apartments, resorts, and hotels, many with ocean views. The nearby town centre has additional amenities including ATMs and tour booking services. Most facilities cater to day-trippers and overnight visitors, with more options available at neighbouring Arcadia and Horseshoe Bay.

While Nelly Bay itself isn't the primary wallaby-viewing location, rock wallabies inhabit Magnetic Island and are most commonly spotted at the Forts Walk lookout and Geoffrey Bay areas. From Nelly Bay, you can access walking trails leading to wallaby habitats, particularly the headland tracks. Early morning or late afternoon offer the best viewing opportunities. The Forts Walk trailhead is accessible by local bus or hired transport from Nelly Bay, taking roughly 10-15 minutes to reach the starting point at the island's eastern side.