Documents and money
- Passport book (international) or REAL ID (domestic flights).
- Copies of your passport, booking confirmations and insurance.
- A debit card with no foreign transaction fees, plus some cash in small bills.
Beach and pool
- Reef-safe, mineral sunscreen. Some Mexican eco-parks and marine areas require biodegradable sunscreen.
- Two or three swimsuits, a cover-up, sunglasses and a hat.
- A refillable water bottle, aloe and a waterproof phone pouch.
- Sandals plus one pair of closed-toe shoes for clubs that require them.
Tech and extras
- A portable charger, plus a universal adapter if needed (Mexico and most of the Caribbean use U.S. plugs).
- Wristbands and lanyards from party packages, so don't lose them.
- Budget airlines charge for carry-ons, so check bag rules before you pack.
