It covers an area of 4,300 km2 (1,660 sq mi),[1] making it one of the largest banks of the world, has general depths of 60 to 80 metres (197–262 ft), and a largely sandy bottom.
Two reefs mark the shallowest spots of the bank, but they are still submerged at low tide.
The Lansdowne Bank area marked is far larger than Fairway Plateau, but there are smaller, unnamed plateaus nearby.
A shoal with a depth of 16 metres (52 ft) is 14 miles (23 km) west-northwest of Nereus Reef.
The southeastern end of Lansdowne Bank is marked by Fairway Reef, thus named from its lying in the fairway between Australia and New Caledonia, midway between the Bellona Reefs (south of the Chesterfield Islands) and New Caledonia.