Milne Bay dive sites

Dinah's Beach combines several factors that create ideal muck diving conditions. The volcanic sand substrate provides perfect camouflage habitat for critters that are found in few other locations. The site's gentle slope and calm conditions allow extremely long, slow dives focused on careful searching. The biodiversity is extraordinary, with species density rivalling Lembeh Strait but in a less-visited setting. Resident dive guides have mapped the locations of rare species over years of observation, dramatically increasing the chances of spotting the site's most elusive inhabitants.

A macro lens is essential, with 60mm or 100mm being the most popular choices. Many photographers bring a dedicated macro setup with a 100mm lens and a diopter for extreme close-ups of tiny subjects like nudibranchs and pygmy seahorses. A good focus light is critical for locating subjects on the dark volcanic sand. Most subjects are small and stationary or slow-moving, so single-strobe setups work well, though dual strobes eliminate shadows on three-dimensional subjects like frogfish. Video shooters should bring a macro wet lens adapter.

Dinah's Beach is located near the village of Lauadi on the northern shore of Milne Bay, roughly 15 kilometres from the provincial capital Alotau. Most divers access the site through Tawali Leisure & Dive Resort, which is the primary dive operation in the area and offers shore diving directly at Dinah's Beach as well as boat dives to surrounding sites. Alotau is reached by domestic flights from Port Moresby. Some liveaboard operators also include Dinah's Beach on their Milne Bay itineraries.