Caverns, coral reefs, deep walls with pelagics and abundant macro life is promised, along with the Solomons’ Iron Bottom Sound, where 200 ships, 690 aircraft and landing barges were sunk during WW2 and are now well-colonised.

Providing the transport for up to 20 guests will be Solomons PNG Master (formerly Taka, built in 2004) with air-conditioned cabins and en-suite facilities in upper-deck cabins.

It offers nitrox and caters for rebreather and technical divers.

There are three itineraries, with the option of seven- or ten-night trips in both locations and transitional trips too. Prices from £2519pp, flights extra.

Over in the Maldives, meanwhile, blue o two reports that its liveaboard blue Voyager has been given a “substantial upgrade”, with new indoor dining and outdoor lounging areas and redecorated cabins.