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This article is for general information and is not medical advice; talk to a doctor or other qualified professional about your own situation.
What to pack for the Keys comes down to about six grouped categories. The one number that changes everything is 89 degrees. That’s the average summer high in Key West, per Florida Keys Tourism’s own weather page, and it’s why lightweight, quick-dry fabric matters more here than warm layers. Winter travelers get a milder 75-degree average high instead, so the packing list shifts with the season, not the destination.
I’ve packed for hot, humid destinations enough times to know one thing. A suitcase full of heavy fabric is the first mistake. Lightweight, quick-dry clothing works harder than anything bulky, once the air starts feeling like a wet towel by mid-morning.
Florida Keys Packing List
Here’s the seasonal picture before you start packing.
| Detail | What to know |
|---|---|
| Summer high (Key West) | About 89°F, per Florida Keys Tourism |
| Winter high (Key West) | About 75°F, per Florida Keys Tourism |
| Winter water temperature | Averages in the mid-70s°F, per Florida Keys Tourism |
| Hurricane season | June 1 to November 30, per Florida Keys Tourism |
| Highest storm risk window | August 15 to October 15, per Florida Keys Tourism |
| Standard checked bag limit | 50 pounds on most major U.S. airlines before an overweight fee applies |
That hurricane-season window matters even on a trip built around sunshine. It’s the reason travel insurance and a flexible itinerary are worth considering for a late-summer booking. It doesn’t mean a trip during those months is a bad idea. It’s just one worth watching the forecast for.
Packing List for the Florida Keys
A one-week Florida Keys packing list, built around a single checked bag, comes in well under the standard 50-pound airline limit. The table below adds up a realistic set of categories for a seven-day warm-weather trip.
| Category | Est. weight | Running total |
|---|---|---|
| Lightweight clothing (7 days) | 8 lbs | 8 lbs |
| Swim and snorkel gear | 3 lbs | 11 lbs |
| Sun protection and toiletries | 3 lbs | 14 lbs |
| Shoes (sandals, water shoes, sneakers) | 4 lbs | 18 lbs |
| Boat-day layer and day pack | 3 lbs | 21 lbs |
| Buffer left under the 50-lb limit | — | 29 lbs |
The math is simple. Eight plus three plus three plus four plus three equals 21 pounds of actual gear. Subtract that from the 50-pound airline limit. That leaves 29 pounds of buffer, room enough for souvenirs, rental gear brought home, or a second traveler’s overflow packed into the same bag.
A carry-on can work for a short trip focused on one activity type. Even so, the weight budget above shows a full week of clothing, swim gear and sun protection fits comfortably under a standard checked-bag limit, with room to spare.
What to Wear in the Florida Keys
Pack lightweight, quick-dry fabrics first. A few breathable T-shirts, shorts, and a sundress or two cover most days. Bring at least two swimsuits, too, so one can dry while the other is in use. Humidity in the Keys means cotton stays damp far longer than a technical or linen-blend fabric, so quick-dry wins on a multi-day trip.
Add one long-sleeve sun shirt for a boat day. It blocks UV without needing constant sunscreen reapplication over bare shoulders. A light rain layer also earns its space, because Florida’s summer afternoon showers arrive fast and pass just as quickly.
Florida Keys Reef Safe Sunscreen
Reef-safe, mineral sunscreen is worth prioritizing over a standard chemical formula near coral reef areas. John Pennekamp Coral Reef State Park, for example, makes reef protection part of its own visitor guidance. A wide-brim hat and UV-blocking sunglasses also cut down on how much sunscreen reapplication a beach day actually needs.
Pack more sunscreen than feels necessary. Between saltwater, sweat and reapplication every couple of hours, a single small bottle rarely lasts a full week in Florida heat. This is general packing guidance, not medical advice. Anyone with a specific skin condition should check with a doctor before choosing a sunscreen formula.
Packing for the Florida Keys
A personal snorkel mask and dry bag are worth packing if multiple water days are planned. Rental gear at every stop adds up in cost over a week-long trip. Water shoes, meanwhile, protect against sharp coral rubble and hot boat decks better than bare feet or flip-flops.
A life jacket is standard safety equipment on any rented boat or organized snorkel trip, and most outfitters provide one. Still, check with the specific operator ahead of time rather than assuming your own gear meets their requirement. Motion sickness medication is also worth packing for anyone prone to it, since Keys boat trips often run in open water beyond the reef line.
Leave heavy jeans, sweaters and anything wool at home. Even winter mornings in the Keys rarely call for more than a light layer. Skip a full-size hair dryer or flat iron, too, since humidity undoes styling within minutes outdoors anyway.
Leave chemical sunscreens with oxybenzone or octinoxate behind if a reef-focused trip is planned; several reef-protection guidelines steer visitors toward mineral formulas instead. Also skip packing an umbrella for wind-driven summer storms. A compact rain jacket handles a passing shower far better in coastal breeze.
What to Bring to the Florida Keys
Pack a physical copy of any hotel or activity confirmation. Cell service can be spotty on the more remote stretches of the Overseas Highway. A dry pouch or waterproof phone case also protects a phone and ID on any boat day, where a splash or a dropped bag is a real risk.
Cash in small bills is worth carrying, too, for marina fees, tip jars and small vendors that don’t always take cards. That matters most on the outer Keys, where connectivity runs thinner than in Key West itself.
Florida Keys Essentials
A portable phone charger earns its spot for a full day out on the water, away from any outlet. A small dry bag or waterproof pouch protects electronics from spray on any boat ride, even a calm one. Reef-safe insect repellent also belongs in the bag, since mangrove areas and dusk hours bring mosquitoes even on an otherwise dry trip.
Snorkel gear rental is widely available across the Keys, so packing your own is a preference, not a requirement. Anyone traveling with nieces or nephews should add a few reusable water bottles, since staying hydrated matters more in Florida humidity than it does back home.
What to Pack for the Florida Keys
I’ve found that a lightweight, quick-dry wardrobe, plus a dedicated sun-and-reef kit, covers almost every day of a Florida Keys trip, no matter which Key it’s centered on. Build around the 89-degree summer average or the 75-degree winter one. Then add reef-safe sunscreen and water shoes, and leave the heavy layers at home entirely.
Checking the hurricane-season calendar before a late-summer booking rounds out the plan. It’s the one seasonal factor that can actually change a trip’s dates, not just its packing list.
Frequently asked questions about a Florida Keys packing list
Do you need reef safe sunscreen in the Florida Keys?
Mineral, reef-safe sunscreen is strongly recommended near coral reef areas such as John Pennekamp Coral Reef State Park, where reef protection is part of the park’s visitor guidance. This is general travel information, though, rather than medical advice.
How hot does it get in the Florida Keys?
Summer highs average about 89°F, and winter highs average about 75°F, in Key West, per Florida Keys Tourism. Humidity makes the air feel warmer than the number alone suggests.
When is hurricane season in the Florida Keys?
Hurricane season runs June 1 through November 30, per Florida Keys Tourism, with the highest storm risk between August 15 and October 15. The tourism board also notes this stretch often brings some of the year’s most pleasant weather between storms.
Do you need water shoes in the Florida Keys?
Water shoes help on rocky shorelines, boat decks and reef-adjacent beaches, where sharp coral rubble is common. That makes them worth packing alongside standard sandals for a beach-only day.
A pair of sandals for town, water shoes for the boat and reef, and one pair of closed-toe sneakers for any land-based excursion covers nearly every activity on a typical Keys itinerary without overpacking shoes.
What should you pack for Key West?
The core packing list stays the same across the island chain, since the climate barely changes from Key Largo to Key West. The only real difference is connectivity: pack a bit more cash and download any confirmations in advance for stops on the quieter, less developed stretches of the Overseas Highway. Key West is where Florida Keys Tourism measures the 89-degree summer and 75-degree winter averages. So the clothing list stays the same there as anywhere on the chain.
For destination-specific planning to pair with this list, see our guides to things to do in Key West and John Pennekamp snorkeling.
Updated September 20, 2026.
Photo credits: (1) A snorkeler over the reef in Biscayne… — NPS image by Shaun Wolfe, U.S. Government work, public domain, via National Park Service; (2) Kayaking through a mangrove tunnel at John… — Fredlyfish4, CC BY-SA 3.0, via Wikimedia Commons.