Waterproof iPhone 8 Case - iPhone 8 Waterproof Case (Black)

Why the Waterproof iPhone 8 Case in Black Is Essential for Swimmers and Outdoor Workers

Picture your iPhone 8 slipping out of your hand at the edge of the pool, bouncing once on the tile, and sliding straight into the deep end. With most cases, that story ends with a rice bag and a prayer. With the Waterproof iPhone 8 Case in Black, you fish it out, wipe it off, and keep filming. This full-body sealed case wraps your iPhone 8 (2017, 4.7-inch Retina display) in an IP68-certified shell with a shock-absorbing polycarbonate frame, a flexible sealing gasket, and a built-in HD scratch-resistant screen guard — fully submersible to 6.6 ft / 2 m for 30 minutes. Built for swimmers, kayakers, construction workers, beach parents, and anyone whose phone lives a harder life than they do, this is the best iPhone 8 waterproof case for pool days, job sites, and storm-season commutes. The Gorilla Family does not wait out the weather — and now your iPhone 8 does not either.

Key Features

• Classic black finish: a stealthy matte black shell that hides scratches and looks professional everywhere from the job site to the office.
• Premium materials: rigid polycarbonate front and back frames, a flexible TPU sealing gasket, and an integrated optical-grade screen membrane.
• Case type: full-body 360-degree sealed waterproof case with a snap-lock two-piece closure that clamps shut around the entire phone.
• IP68 waterproof rating: fully submersible to 6.6 ft / 2 m for 30 minutes — swim, snorkel, and shoot underwater photos with confidence.
• Snowproof and dirtproof: sealed against snow, ice, dust, and fine sand, meeting or exceeding IP68 ingress protection.
• Drop protection: the 7-layer construction absorbs drops from 6.6 ft / 2 m onto concrete, with shock-dispersing corners.
• Built-in screen protection: an HD clear, scratch-resistant screen guard is sealed into the front frame — no separate screen protector needed (or allowed).
• Camera protection: a crystal-clear sealed lens window protects the 12 MP camera while keeping underwater shots sharp.
• Charging compatibility: the sealed charging port fits Apple Lightning cables and other narrow MFi-certified connectors; Qi wireless charging is supported on the iPhone 8, but this is not a magnetic case and does not add MagSafe.
• Easy access: responsive button covers for volume, power, and the mute toggle, plus sealed acoustic membranes for the speaker and microphone.
• Compatibility: fits the Apple iPhone 8 (2017, 4.7-inch) ONLY. It does NOT fit the iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone SE (2020/2022), or iPhone X.

Materials Explained — What Polycarbonate and TPU Actually Feel Like

The front and back frames are molded from polycarbonate — the same impact-resistant plastic used in bike helmets and aircraft cockpit windows. It is rigid, light, and shrugs off impacts that would crack cheaper shells. On this case it forms the structural skeleton that keeps the waterproof seal compressed evenly around your iPhone 8.

Running around the perimeter is a TPU gasket — thermoplastic polyurethane, the flexible, grippy material found in running shoe soles and hockey puck rims. It compresses like a submarine hatch seal when you snap the two halves together, which is exactly what keeps water on the outside where it belongs.

The screen membrane is an optical-grade film that stays touch-responsive underwater-adjacent conditions while resisting scratches from keys and sand. Altogether the case weighs about 2.5 oz (70 g) and adds roughly 3 mm of thickness — remarkably slim for a fully sealed, IP68-certified design that replaces a drybag, a screen protector, and a rugged case all at once.

Browse More iPhone 8 Cases

Prefer a wallet, slim, or heavy-duty style for your daily carry? Explore the full iPhone 8 cases collection, shop now and find the right protective phone case for your lifestyle.

Real-World Use Cases

• The Pool Parent: films cannonball contests from the shallow end without worrying about splash zones — or full submersion.
• The Kayaker: straps the phone to the deck for GPS tracking; rain, spray, and the occasional capsize are all within spec.
• The Construction Worker: drops it from a ladder onto gravel, hoses off the concrete dust at the end of the shift, and clocks out.
• The Beach Vacationer: takes underwater snorkeling photos in the morning and shakes the sand out of the bag in the afternoon — the sealed ports never notice.
• The Gift-Giver: needs a practical, fits-right-out-of-the-box present for the family member still happily running an iPhone 8.

Feature-to-Benefit Mapping

Step-by-Step Installation Guide

1. Clean your iPhone 8 with a microfiber cloth and remove any existing screen protector — the case's built-in screen guard requires a bare screen for full touch sensitivity and a proper seal.
2. Water-test the empty case first: snap it shut with a tissue inside and submerge it for 30 minutes. A dry tissue means a good seal.
3. Open the two halves, seat your iPhone 8 face-down into the front frame, and align the mute switch with the case's toggle lever.
4. Press the back frame on, working around the perimeter until every latch point clicks — run a fingernail along the seam to confirm there are no gaps.
5. Test the buttons, camera, speaker, and Lightning port with a narrow MFi cable. Note the home button clicks normally, but plan to use your passcode, as Touch ID does not read through the sealed membrane.

Troubleshooting and Tips

• Touchscreen feels less responsive? Make sure no aftermarket screen protector is installed underneath — the case is designed to seal against the bare screen only.
• Charging cable will not fit? The sealed port opening is sized for Apple's own Lightning cable or narrow MFi-certified connectors; bulky third-party plugs will not reach.
• Muffled audio on calls? Check that the speaker membrane is clean and dry — a quick rinse and air-dry restores clarity after beach or pool use.
• Seal seems loose after months of use? Inspect the gasket for sand or lint, rinse it in fresh water, and re-test with the tissue method before the next swim.
• Cleaning the case? Rinse with fresh water and mild soap after salt water exposure. Avoid alcohol wipes on the coated finish — they can cloud the lens window and degrade the gasket.

FAQs

Which phones does this case fit?
It fits the Apple iPhone 8 (2017, 4.7-inch) only. It does NOT fit the iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone SE (2020/2022), or iPhone X. If you carry the larger 5.5-inch phone, see our separate waterproof iPhone 8 Plus case.

What comes in the box?
The two-piece waterproof case with built-in screen guard and sealing gasket, plus a quick-start guide with the water-test instructions.

How waterproof is it, really?
It is IP68 certified for full submersion to 6.6 ft / 2 m for 30 minutes — deep and long enough for pools, lakes, snorkeling, and any realistic accidental dunk.

Does wireless charging work through the case?
Yes — the iPhone 8 supports Qi charging, and the slim sealed back allows charging on most Qi pads. This is not a magnetic case and does not add MagSafe.

What is the drop protection rating?
The 7-layer construction is rated for drops from 6.6 ft / 2 m onto hard surfaces, with reinforced corners that disperse impact away from the phone body.

Does Touch ID work with the case on?
The home button clicks normally for navigation, but the fingerprint sensor cannot read through the sealed membrane — use your passcode while the case is installed.

Are the buttons and ports accessible?
Yes — volume, power, and the mute toggle all work through responsive sealed covers, and the Lightning port opens via a gasketed plug that fits Apple and narrow MFi cables.

Can I add my own screen protector?
No — the case includes a built-in HD screen guard, and an extra protector underneath will reduce touch sensitivity and can break the waterproof seal.

Can I take underwater photos?
Yes — the sealed lens window stays optically clear underwater. Use the volume button as a shutter, since the touchscreen does not register input while submerged.

Will the case yellow or fade over time?
The matte black shell is color-stable and UV-resistant — no yellowing the way clear cases discolor. Rinse off salt water to keep the finish fresh.

Is there a lanyard or strap option?
The case includes molded lanyard anchor points at the bottom corner, so you can add a wrist strap or floating lanyard for boat days.

Is it professional enough for the office?
Absolutely — the slim black profile reads as a clean everyday case, not a dive housing, so it works in meetings as well as on the water.

Is this a good gift?
It is one of our most-gifted iPhone 8 cases — practical, universally useful, and backed by free 30-day returns if the recipient already has one.

Should I water-test the case before using it?
Yes — always snap a tissue inside the empty case and submerge it for 30 minutes before the first use and after any drop. A dry tissue confirms the seal.

What is the return policy?
Yes — Gorilla Cases offers free 30-day returns on all iPhone 8 cases. If the case doesn't fit your iPhone 8 or you're not satisfied, contact our team within 30 days for a fast replacement or full refund. No restocking fees.

Why Gorilla Cases?

We started Gorilla Cases because phones kept dying in places people actually live — pools, job sites, trailheads, and toddler hands. The Gorilla Family trusts us because we drop-test and dunk-test every design, describe honestly what each case can and cannot do, and back every order with free 30-day returns. Your iPhone 8 has survived this long; give it the case that keeps that streak alive. Shop now at gorillacasestore.com

Read More From Gorilla Case Blogs

Wondering how our sealed cases hold up across generations? Read Waterproof iPhone 7 case with drop protection (black) for the sibling design, then browse Best Waterproof and MagSafe Tech Cases for 2026 to see how the lineup has evolved.