2 Things You Actually Need to Keep Electronics Safe at the Beach

A roll-top dry bag This keeps sand and splashes off your main electronics like a Kindle, backup battery, or camera. Roll the top down properly, and it works. Skip bulky beach safes with locks — they’re overkill.

Quart-sized freezer Ziplocs Put the phone you use at the beach in one. Touchscreens work through the plastic just fine. If you want a lanyard, a $10 waterproof phone pouch does the job, but a Ziploc covers 90% of it for pennies.