A day on the water is one of summer's best — and one of the sneakiest on your body. Between the sun, the heat, and hours of drinks, it's easy to overdo it. Here's what to bring, and how to keep boat day fun and safe.
Boat days and lake days have a way of getting away from you. You're relaxed, the sun is out, someone keeps handing you drinks, and there's no clear "last call" the way there is at a bar. Add the heat and the constant sun exposure and you've got a recipe for getting drunker and more dehydrated than you realize. The good news: a little planning — the right drinks, plenty of water, and one important safety rule — makes for a perfect day on the water.
The Sun + Water + Alcohol Problem
Drinking on a boat hits differently, and not in a good way. The sun and heat dehydrate you on their own, alcohol dehydrates you further, and there's rarely shade or a break. On top of that, sun, wind, wave motion, and noise cause what's known as "boater's fatigue," which amplifies the effects of alcohol and can make even a moderate amount feel much stronger. The result is that a few drinks on the water can sneak up on you far faster than the same few on dry land. Our guide to how much water to drink while drinking is worth a look before you cast off.
A Safety Note Worth Reading
This part matters. Operating a boat under the influence is dangerous and illegal, and alcohol is a leading contributing factor in fatal boating accidents — the BoatUS Foundation highlights just how much alcohol raises the risk on the water, where its effects are intensified by sun and motion. Always designate a sober boat operator, keep life jackets accessible, and treat the captain like a designated driver, because that's exactly what they are. Fun and safety aren't in conflict here — a sober driver is what lets everyone else relax.

The Best Boat Day Drinks
The ideal boat drink is convenient, spill-proof, low-sugar, and glass-free. Pre-batched or single-serve drinks win because nobody wants to run a cocktail station on a rocking deck. Skip the sugary premixed pouches that guarantee an afternoon crash in the heat, and lean toward light, refreshing, lower-sugar options that keep everyone's energy up. A batch of watermelon margaritas or a citrus spritz in a spill-proof dispenser is perfect — our watermelon margarita recipes and hydrating cocktails are made for hot, all-day settings like this.
Mocktails and Hydration
Your sober captain deserves a great drink too, and so does anyone pacing themselves. Pack appealing mocktails, not just warm water bottles — a zero-proof mule or spritz over ice keeps the captain happy and gives everyone an easy way to alternate. Speaking of which, the golden rule on the water is one water for every drink, ideally with electrolytes to fight the double dehydration of sun and alcohol. The same all-day hydration strategy from our festival survival guide applies perfectly to a long day on the lake.
Packing Tips
A few things make boat day smoother: skip glass entirely (use cans, pouches, or insulated tumblers), bring way more water than you think you need, pack a well-iced cooler, throw in koozies to keep drinks cold in the heat, and don't forget sunscreen and a shade option. Over-pack the water and the non-alcoholic drinks — they always go faster than expected when it's hot.
Frequently Asked Questions
What are the best drinks to bring on a boat?
Spill-proof, low-sugar, glass-free options: canned or pre-batched cocktails, a spritz or margarita in a dispenser, plenty of mocktails, and lots of water with electrolytes. Avoid sugary pouches that crash in the heat.
Can you drink alcohol on a boat?
Passengers generally can, but the operator should stay sober — boating under the influence is illegal and dangerous, and alcohol's effects are amplified on the water. Always designate a sober driver.
How do I stay hydrated on the lake?
Alternate every alcoholic drink with water, add electrolytes to combat sun-plus-alcohol dehydration, and drink more than you think you need. Shade and sunscreen help reduce the fluid you lose.
What should I not bring on a boat?
Glass bottles (breakage risk), sugary premixed pouches (heat crash), and too little water. Cans, tumblers, and extra hydration are the way to go.
The Bottom Line
Boat day is a marathon in the sun, so pace it like one: designate a sober captain, bring spill-proof low-sugar drinks, and match every drink with water and electrolytes. Handle those, and you get the perfect day on the water — the kind you remember for the right reasons.
Cooler-friendly, low-sugar, and packed with electrolytes — exactly what a long day in the sun calls for. Every OFTN mix is 20 calories, low in sugar, with electrolytes and B + C vitamins, as a spill-proof cocktail or a zero-proof mocktail for the captain. Explore all OFTN flavors →