If you've never sailed with Disney Cruise Line before, the first day onboard can feel a little chaotic — and even repeat cruisers occasionally fall into the same traps. Experienced passengers, though, have quietly figured out how to sidestep the most common first-day frustrations before the ship even leaves port.

One of the biggest mistakes newer cruisers make is flying in the morning of their departure. Seasoned sailors instead arrive the day before and book a hotel near the port — typically Port Canaveral for Florida departures — so a delayed flight can't cost them an entire vacation. They also come fully prepared for Disney's lengthy prohibited items list, which bans everything from blenders and coffee makers to streaming sticks, drones, extension cords, and electric blankets. Alcohol isn't banned outright, but it's tightly regulated: guests 21 and older may bring one 750 ml bottle of wine or sparkling wine, or up to six 12-ounce beers, packed in carry-on luggage only.

Perhaps the most consequential planning mistake is waiting until boarding day to look into excursions. Shore activities, spa appointments, and onboard classes fill up well in advance — Concierge guests can book 130 days out, while first-time guests become eligible 75 days before sailing. By the time the ship departs, many of the most popular slots are long gone. Reservations can be made through the My Reservations portal under the "My Plans" tab.

Once onboard, veterans know to steer clear of two notoriously crowded spots in those first few hours: the buffet-style marketplace and the elevators. The marketplaces (included with every sailing) get packed quickly after boarding, so many experienced cruisers eat before they arrive or order room service and save the buffet for a calmer moment. Those who know the ship's layout tend to use the stairs instead of waiting for packed elevators. One thing the pros do make time for right away: unpacking completely, since maneuvering around a suitcase in a cruise cabin is far more awkward than in a hotel room. As for shopping onboard, there's no rush — the ship's stores don't open until after it has left port, and they're closed again on disembarkation day.

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These tips were originally reported by the Disney Food Blog.