Lennards Island is a small island off Terrace Beach in the northern part of Beowa National Park (formerly Ben Boyd), between Pambula and Eden. The Marine Life Network lists it as a sheltered shore and boat dive with a boulder bottom and small ledges at 5–10 m and sponge gardens deeper, to 25 m, with access by vehicular tracks through the national park. NPWS describes the Terrace Beach and Lennards Island area as remote and wild, a 4WD getaway with great fishing and coastal views, and notes Australian fur seals in the area.

The shallow boulder bottom has kelp and small ledges sheltering blue groper, luderick, sweep, leatherjackets, wrasse and eastern blue devilfish, with wobbegongs and Port Jackson sharks. Deeper, the sponge gardens have the colourful growth typical of the Sapphire Coast – sponges, sea squirts, gorgonians and ascidians – with schools of yellowtail and bullseyes. Seals from nearby haul-outs may visit, and dolphins and whales pass offshore.

The remoteness is part of the appeal: few divers make the effort, so the reef is undisturbed. It suits self-sufficient divers with a 4WD and experience of shore diving without facilities. Check NPWS alerts for track closures before going, and carry full safety equipment. The Marine Life Network summary is the only dive-specific source, so depths and layout are indicative, and no coordinates are given. The Yuin people are the Traditional Owners, and the area has some of the best preserved middens on the east coast. Allow a full day for the trip.

The Marine Life Network notes access by vehicular tracks through Beowa (Ben Boyd) National Park; NPWS describes Terrace Beach and Lennards Island as a remote, wild 4WD getaway in the Pambula–Haycock area. Take the Princes Highway south of Pambula, turn onto Haycock Road and follow the park's 4WD tracks (check NPWS alerts and track conditions) to the Terrace Beach area. Walk from the car to the beach and enter towards the island.

By boat, it is reachable from Eden or Pambula in calm weather.

The Marine Life Network describes the site as sheltered shore diving, which suggests protection from the prevailing southerly swell, but the coast is still exposed to easterly and north-easterly swell. Dive only with swell under about 1 m. The 4WD tracks can be closed or rough after rain.

Visibility falls after heavy rain from the Pambula River.

Enter from the sheltered side, swim towards the island and explore the boulder bottom and small ledges at 5–10 m, then, if experienced, drop to the deeper sponge gardens towards 20–25 m before returning shallower to the beach.

Listed by the Marine Life Network as a shore and boat dive; no scheduled operator trips. Visited by 4WD-equipped independent divers.