Cairns Esplanade Lagoon You can do early morning laps at Cairns Lagoon, dip in for a lunchtime cool down, and return with friends and family for a play, swim and BBQ in the afternoon or evening. There isn't a time of day that doesn't suit this massive waterfront attraction.

Yes, you can technically swim laps in the Cairns Esplanade Lagoon, but it is not a traditional Olympic-style lap pool. The lagoon is a massive 4,800-square-meter saltwater swimming facility designed primarily for leisure and to provide a safe, stinger-free environment for tourists and locals. While there are no dedicated "lanes" with ropes, many fitness-conscious locals visit early in the morning (it opens at 6:00 AM) to swim lengths across the deeper sections before the midday crowds arrive. Because the lagoon has a sandy "beach" entry on one side and timber decking on the other, the depth varies, reaching about 1.5 meters at its deepest point. If you are a serious swimmer looking for a structured workout, you might find the casual atmosphere and playing children a bit distracting during peak hours. For a more professional setting, the nearby Cairns Esplanade offers a great running path, but for pure lap swimming, the Tobruk Memorial Pool is the preferred local choice.