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Our Waterproof Beach Safe Box – Sand & Water Resistant Storage

Our waterproof beach safe box is built to withstand beach elements: it’s waterproof (IP66 rating: resists heavy rain and splashes) and sand-proof (sealed lid prevents grit from entering). Made with heavy-duty plastic (UV-resistant, won’t fade in sun) and a 4-digit combination lock, it’s designed to hold valuables like phones, wallets, keys, or cameras. Sizes range from 10”x7”x3” (fits in beach coolers) to 14”x9”x4” (fits under beach towels). It has a weighted base (prevents wind from blowing it away) and a bright color (easy to locate). Ideal for beach trips, pool days, or lake outings, it keeps valuables dry and secure. Our team can add a built-in bottle opener (for convenience) and bulk discounts—beach-safe storage that beats sand and water.
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Why choose us?

Rich production experience

Based in Shanghai, our BSCI - certified factory has over 20 years of experience in producing key safes, Maibox, book safes, lock boxes, and combination locks. This long - standing experience ensures high - quality and mature manufacturing processes for our products.

Diverse Product Range

We offer a wide variety of security products, including key safe lock box, padlock, gun safe box, cash box, mailbox, portable safe box, safe box, time lock box, key safe, personal safe, tsa lock, beach safe, parcel deposit box, combination padlock, and house safe. Meeting diverse customer needs is our strength.

Quality - Controlled Products

Our products are accompanied by strong quality control. From raw material selection to the final product inspection, each step is strictly monitored to ensure that our customers receive only the best - quality security products.

Related products

A waterproof beach safe box is a specialized, heavy-duty security container designed to protect valuables from beach-specific hazards—including saltwater submersion, sand intrusion, intense UV rays, and theft—making it ideal for extended beach stays, water sports activities, or coastal living. Unlike standard portable beach lock boxes that offer basic water resistance, this model features a robust waterproof seal (IP67 or higher rating), corrosion-resistant materials (e.g., 316 stainless steel, marine-grade plastic), and a secure locking system to ensure contents remain dry, sand-free, and protected even in extreme beach conditions. Shanghai Kuntu Industrial Co., Ltd., a BSCI-certified factory with over 20 years of experience in water-resistant security products, engineers waterproof beach safe boxes to balance durability, functionality, and portability, catering to water sports enthusiasts, beach resort guests, and coastal homeowners globally. Water sports enthusiasts—such as surfers, paddleboarders, and snorkelers—rely on waterproof beach safe boxes to protect valuables during extended time in the water. Consider a group of friends on a snorkeling trip in the Great Barrier Reef. They spend 3–4 hours daily exploring coral reefs, and need to leave their smartphones (for underwater photos), wallets, car keys, and snorkeling gear (e.g., masks, fins) on the beach or boat. A standard beach bag would expose these items to saltwater splashes, sand, and theft, but Shanghai Kuntu’s waterproof beach safe box (dimensions: 28cm × 18cm × 12cm, weight: 1.5kg) provides a secure solution. The box is constructed from 316 stainless steel—resistant to saltwater corrosion—and features a double-layer rubber O-ring seal around the lid, achieving an IP68 rating (submersible in 2 meters of water for 24 hours). The locking system combines a 4-digit combination lock with a side latch that reinforces the waterproof seal, ensuring no water enters even if the box is accidentally knocked into the ocean. The interior is lined with absorbent foam to soak up any residual moisture (e.g., from wet hands when opening the box) and includes a removable divider to separate electronics from gear. The box also has a built-in handle for easy carrying and a mounting bracket that allows it to be secured to a boat’s deck or beach chair frame. Shanghai Kuntu’s quality control process includes rigorous testing: each box is submerged in saltwater for 48 hours to verify corrosion resistance, and dropped from 1.5 meters onto sand to ensure structural integrity. For the snorkelers, this means their valuables and gear remain dry, secure, and undamaged—even after a long day on the water. Beach resorts and vacation rentals use waterproof beach safe boxes to enhance guest convenience and security. A boutique beach resort in the Maldives, for example, places these safe boxes on the private balconies of each overwater villa. Guests can store their valuables while using the villa’s private plunge pool or the nearby beach, knowing the box’s waterproof design protects against rain showers and accidental splashes. The resort can program a unique combination for each guest upon check-in, and reset it after check-out—ensuring privacy. The box’s sleek, stainless steel design complements the villa’s luxury aesthetic, and its UV-resistant finish prevents fading from intense tropical sunlight. Coastal homeowners use waterproof beach safe boxes for outdoor storage in their yards or patios. A family living in a beachfront home in Florida, for instance, uses the box to store their beach toys, sunscreen, and outdoor keys—protecting them from rain, saltwater mist, and humidity. The box’s durable construction withstands hurricane-force winds and heavy rain, ensuring contents remain secure during severe weather. To learn more about the specifications of our waterproof beach safe boxes (including IP rating, material options, and mounting accessories) or to discuss customization for resorts or coastal homes, please contact our dynamic foreign trade sales team. They will provide tailored solutions to meet your extreme beach security needs.

Frequently Asked Questions

What products does your company mainly produce?

Our company mainly produces key safes, Maibox, book safes, lock boxes, combination locks, and a wide range including key safe lock box, padlock, gun safe box, cash box, mailbox, portable safe box, safe box, time lock box, personal safe, tsa lock, beach safe, parcel deposit box, combination padlock, and house safe.
Our BSCI - certified factory located in Shanghai has over 20 years of production and processing experience.
Our products are accompanied by strong quality control. From raw material selection to the final product inspection, each step is strictly monitored to ensure high - quality security products.
Sure. Understanding that every customer has unique needs, our sales team is dedicated to providing personalized solutions, including product customization in terms of appearance or function.
Our factory in Shanghai, with its advanced production facilities and strict management system, guarantees stable product supply. Also, we cooperate with reliable logistics partners to ensure efficient product delivery.

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Customer Reviews

Steven Thompson
Waterproof Beach Safe for Valuables

This beach safe is a game-changer for my beach days. It’s fully waterproof, so I can leave it in the sand even when the tide comes in—my phone, wallet, and sunglasses stay dry every time. It has a sand-proof seal too, so no grit gets inside. The combination lock is easy to use with wet hands, and it’s heavy enough that it doesn’t blow away in the wind. I’ve recommended it to all my friends who love going to the beach.

Sarah Wilson
Secure Beach Safe with Easy Combination

This beach safe’s combination lock is simple to set and remember—no more fumbling with keys in the sand. It’s secure enough that I feel comfortable leaving it unattended while I swim. The interior is lined with soft material, so my phone doesn’t get scratched. It’s also lightweight, so I can carry it around the beach without getting tired. I’ve had no issues with it, and it’s become a must-have for my beach trips.

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Why Our Beach Safe? Waterproof & Portable Valuables Guard

Why Our Beach Safe? Waterproof & Portable Valuables Guard

Our beach safe is fully waterproof, sand-proof, and easy to carry, protecting phones, keys, or wallets at the beach. It’s heavy enough to resist wind and has simple combinations. Reach out now for color options or bulk orders for resorts!