MSC Explora 1 deck 4 plan (Lobby-Shops-Casino-Restaurants)

Deck 4 houses the Forward Lounge/Journeys Lounge (with a large stage and amphitheatrical seating), the Casino (gaming lounge fitted with table games and slot machines), the midship Lobby Hall (24-hour Guest Services/Reception Desk for assistance, Destination Experiences for information on and organizing of land tours and excursions), Lobby Bar, and Boutiques (duty-free shops).

The onboard shops include the first at-sea Rolex Boutique, via an exclusive partnership (signed in June 2023) between Explora Journeys and Rolex SA (1905-founded, Geneva-based watch designer and manufacturer). The shop is dedicated to the ultra-luxury Swiss watch brand and offers for purchasing an extensive selection of models including from the renowned Rolex Oyster Perpetual series.

Another signature retail store is the "Watch and Jewelry Shop" (introduced in July 2023) selling the Swiss ultra-premium watch brands Cartier, Panerai, and Piaget.

Next are positioned two restaurants - Med Yacht Club (Mediterranean-style/portside) and Anthology (International-style/starboard), with an adjacent Galley (kitchen and storage rooms for food and beverages).

Deck 4 is accessed via 4x fore-located lifts and indoor stairs.