You’ll want these handed to you first — travel days are when things go missing. Pack everything in a slim, waterproof travel wallet or organizer you keep in your carry-on.

• Passport (valid at least 6 months beyond return date) + photocopy/photo of passport stored separately
• Cruise documents & boarding passes, printed and PDF on your phone (reservation numbers for the cruise, excursions, and any inter-island transfers)
• Government-issued ID and an extra photo ID (if you have one)
• Credit cards (at least two from different networks) + one debit card; notify banks of travel dates
• ~€100 in cash (euros for Greece; for Croatia bring a mix of euros and some kuna/euros depending on ports — many places accept cards but small vendors may prefer cash)
• Travel insurance card/details and emergency contacts (include cruise emergency hotline)
• Health documents: any required vaccination records, copy of prescriptions (generic drug names), and proof of recent COVID/vaccine status if required by carrier
• Printed hotel confirmations for pre- or post-cruise nights and any ferry tickets (island ferries can be strict about printed tickets)

You’re headed to mid-July weather across Cyclades islands and the Dalmatian coast — hot days, warm evenings, and lots of sun. Think lightweight, breathable, and smart-casual for island nights.

• 3–4 lightweight tops (linen or cotton; pack at least one sleeved option for sun protection)
• 2–3 pairs of shorts or breathable skirts (linen blends are ideal)
• 1–2 sundresses or casual evening outfits for dinners in Santorini or Mykonos (one slightly dressier option if you plan a nicer restaurant)
• 1 packable light sweater or thin wrap for cooler evenings on deck
• 1 packable windbreaker or light rain jacket (occasional summer squalls or chill on the water)
• Swimwear: 2 suits so one can dry while you use the other; add a quick-dry cover-up
• Undergarments & sleepwear: plan for 7 days or mix-and-match with faster laundry options on board
• Activewear (1 set) if you plan hikes on Santorini (Fira to Oia trails) or kayaking in Croatia
• Footwear:
• Comfortable walking sandals or sneakers with good grip for cobbled streets and steep stairs (one pair)
• Water shoes or reef sandals for rocky beaches and boat landings
• One pair of nicer sandals or loafers for evening
• Sun hat or packable wide-brim hat and a lightweight scarf (useful for sun, chapel visits, or extra warmth)

Most items are readily available, but bring brand-specific toiletries and any specialty sunscreen you prefer — island shops may be higher priced.

• Sunscreen SPF 30+ (reef-safe preferred) and lip balm with SPF
• After-sun gel or aloe vera for sun relief
• Basic toiletry kit: toothbrush, toothpaste, deodorant, shampoo/conditioner (travel sizes), razor
• Small first-aid/medicine kit: blister plasters, pain reliever, antihistamine, anti-diarrheal, rehydration salts
• Prescription meds in original bottles + copy of prescriptions
• Travel-sized hand sanitizer and pocket tissues/wet wipes
• Insect repellent (mosquitoes are more common near evening in some ports in Croatia)
• Female hygiene products and any niche items you prefer (these can be harder to find in specific brands onboard)

You’ll want devices for photos, maps, and music — and the right adapters for European sockets.

• Phone + charger and a waterproof phone pouch for boat days
• Portable power bank (10,000–20,000 mAh) — long days ashore and photos will drain phones
• Universal travel adapter (Type C & F compatible) — Greece and Croatia use Type C/F plugs, 230V/50Hz
• Earbuds or noise-cancelling headphones for flights and noisy cabins
• Camera (mirrorless or good point-and-shoot) + spare SD card and charger/batteries
• E-reader or tablet for downtime on deck
• Small dry bag or ziplock bags to keep electronics sand- and splash-free
• USB charging hub or small power strip (confirm cruise outlet limits; choose one with surge protection)

Keep a compact kit with the items you rely on at home plus a few cruise-specific extras.

• Personal medication + backup supply (seasickness meds or wrist bands if you’re prone to motion sickness)
• Small basic first-aid kit (band-aids, antiseptic wipes, tape)
• Face masks (if you prefer using them on crowded ferries or indoors)
• Copies of emergency contacts and accommodation/ship contact info stored separately from your phone
• RFID-blocking sleeve for cards if you’re security-conscious

Summer in the Aegean and Adriatic is mostly sunny; still plan for wind and strong midday sun.

• Lightweight packable windbreaker (useful on open decks and ferry crossings)
• Sunglasses with UV protection and a hard case
• Compact umbrella (optional — small summer storms can pop up)

You’ll be out exploring islands all day; pack a small, comfortable day bag with these go-to items.

• Small crossbody or packable daypack with secure zip compartments
• Refillable water bottle (stay hydrated in July heat)
• Sunscreen stick for reapplication, sunglasses, and hat
• Small snack stash (nuts, protein bars) for long walks or ferry waits
• Portable charger and charging cable
• Lightweight microfiber towel (handy for impromptu swims)
• Pen and small notebook (useful for forms, notes, or jotting down taxi details)

These are the little extras that make island cruising more comfortable and more fun.

• Mask & snorkel set (many beaches are rocky; renting can be inconsistent)
• Slip-on shoes for quick gangway access during tender landings
• Collapsible tote or foldable shopping bag for market purchases and souvenirs
• Evening outfit accessories (simple jewelry, a light wrap) for waterside dinners in Mykonos or Croatia
• Waterproof pouch for cruise docs and cash during excursions
• Small binoculars (optional) for coastal views and watching sea life

A few habits and small items save time and headaches:

• Pack clothing in packing cubes by type/outfit — makes cabin storage and daily choices easier.
• Leave one clothing slot empty for souvenirs; compression bags are handy if you overpack.
• Bring a small laundry soap bar or a travel detergent sheet — quick hand-washes in sink dry fast and many ships offer laundry service but it’s pricey.
• Use neutral-colored layers so items mix-and-match; a lightweight linen blazer elevates a casual outfit for island restaurants.
• Keep a small document photo (screenshot) of passport/credit cards in your email and offline in your phone’s notes.
• If you plan independent taxis or ferries on Croatian ports, have small change and a screenshot of your pickup point (many drivers have limited English).

Have a fantastic trip across Santorini, Mykonos and the Dalmatian coast — the light, food and sea are unforgettable. Pack light, leave room for local wine and olive oil, and expect gorgeous sunsets.