MS Porto Mirante deck 4 plan (Sundeck-Pool-Skylounge)

On the Sun Deck are located deck games area (Giant Chess Set), shaded seating areas (covered by retractable awnings and surrounded by a Walking Track), midship Pool Deck (Splash Pool, sunbathing area with loungers and deckchairs), and the aft-located Skylounge/Restaurant (alfresco dining venue with a full Bar service).

The fore-located Navigation Bridge (called "Wheelhouse" on riverboats) is passenger accessible and telescopic (lowered when the ship passes under low bridges).

A SkyLight (glass roof that partially covers the Atrium Lounge on Diamond Deck below) allows natural light into the ship's interior.

Three pairs of outdoor stairs (forward, midship, and aft) connect floors 3 and 4 (Diamond Deck with Sun Deck).

One lift (passenger elevator) connects all cabin decks.

The Sun Deck can be accessed only by stairs.