One of the world's largest, and newest, ships is currently sitting in Southampton's port.

But only a few have so far been lucky enough to see inside - until now!

P&O Cruises' Iona is calling Southampton her home this summer, with the new vessel being welcomed into port for the first time back in May.

Iona gets ready to sail its maiden voyage next Saturday August 7.

The 345-metres long (1,132ft) ship weighs in at 185,000 tonnes.

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Built at the Meyer Werft shipyard in Papenburg, Germany, she is the first British liner fuelled by liquefied natural gas, which P&O president Paul Ludlow claimed makes it “Britain’s most environmentally-friendly cruise ship”.

Now locals are seeing even more of her, as she uses her city base.

But what hides inside her huge exterior?

Click through the gallery above to see more!

Iona's Facts and figures

  • Tonnage - 185,000
  • Length - 345 metres
  • Breadth - 42 metres
  • Speed - 17 knots
  • Guest capacity - 5,200
  • Crew - 1,800
  • Guest cabins - 2,614
  • Largest ship ever to fly the UK flag
  • Built at the Meyer Werft shipyard in Papenburg, Germany
  • The largest ship built to serve the UK market
  • More than 30 places to eat and drink
  • Four swimming pools including an infinity pool and 18 whirlpool spas
  • The first gin distillery at sea in partnership with Salcombe Gin
  • Powered by liquefied natural gas - no sulphur/nitrogen emissions and a 20 per cent reduction in carbon
  • 26 suites, 95 conservatory mini-suites, 1,486 balcony cabins, 174 sea view cabins, 811 inside cabins and 22 single occupancy cabins
  • Maiden cruise departing from Southampton to the Scottish island she was named after on August 7