You don't need a camera rig to shoot the kelp forest. Phone housings that work, settings that matter, and the surface-level shots phones do beautifully.
The camera that gets taken to the kelp forest is better than the camera that stays home because it costs too much to flood. Scan any ocean-conservation feed and a surprising share of the imagery — seadragons, otters wrapped in canopy, sunbursts through fronds — was shot on phones. Not because phones are better cameras (they aren't), but because a phone in a decent housing is the camera people actually bring snorkelling, and the kelp forest does most of the compositional work for you.
This guide is for the swimmer or snorkeller who wants to come home with real photographs, shot on the device already in their pocket. It covers housings that genuinely protect a phone, the small set of settings that matter underwater, the shots a phone does brilliantly, and the ones to leave to the big rigs — which, when you outgrow the phone, are covered in our main underwater photography in kelp forests guide.
The housing is where the money goes. The phone is already good.
Tier one — the dry bag with a window (under ~£20/$25). A clear PVC pouch with a roll-seal or clamp. Fine for surface paddling, kayaking and splash zones; genuinely risky for real snorkelling, because pressure squeezes the screen and the camera shoots through soft plastic, which smears contrast and flares in backlight. Use it for kayak and SUP photography, not for duck-dives.
Tier two — the universal hard housing ($80–250). A rigid polycarbonate case with an optical glass port over the lens and mechanical buttons or a vacuum-seal check. This is the sweet spot for snorkellers: rated to 15–40 m, full touchscreen or button access, and the glass port restores the sharpness pouches destroy. Before every session: inspect the O-ring, a single hair across it floods the case, and do the tissue test — submerge the empty housing in a sink for ten minutes with a tissue inside and check it comes out dry.
Tier three — the phone-specific smart housing ($250–600). Model-matched cases with an app that maps physical buttons to camera controls, plus mounts for wet lenses (wide-angle and macro add-ons that screw onto the port). Built-in leak sensors and vacuum ports make failure nearly impossible to miss. If you snorkel weekly or want to add a macro wet lens, this tier pays back quickly.
Whichever tier: tether the housing to your wrist or float strap every single time. The second most common way people lose phones in kelp country is dropping them in six metres of green water; the first is flooding them with a sandy O-ring.
Phones automate everything, which is mostly fine at the beach and mostly wrong underwater. Five adjustments:
Everything in the kelp photography light guide applies, harder. Phones have small sensors and no strobes, which defines your working envelope:
Some photographs are nearly impossible to take badly in a kelp forest with a modern phone:
Leave to the bigger rigs: anything below ~8 metres, fast action at distance (sea lion fly-bys), and dusk or night work where strobes are mandatory.
Every shallow-water phone shot comes home greener and lower-contrast than the memory. Ninety-second rescue, in any editor: pull white balance toward magenta/amber (or drag 'tiles' toward warm), add contrast and a touch of dehaze, lift shadows slightly, and nudge saturation only after the balance is right. Stop while it still looks like water. Kelp-water green is honest — the goal is to restore what your eye saw, not to fake the Caribbean.
Treat "water resistant" as "survives an accident," not "is a camera." Ratings cover fresh water, shallow depths, and brief immersion — not salt water, not repeated duck-dives, not an hour in 12 °C surf. Seals also age. A dedicated housing is cheap insurance for a device that holds your whole life.
Universal housings are typically rated 15–40 m — more than any snorkeller and most scuba photographers need. Depth isn't your limiting factor anyway: below about 5 metres, colour loss and dim light cap what a small sensor can do without strobes. The great phone shots live shallow.
Blur is usually shooting through a pouch's soft plastic or water droplets on the port — upgrade the housing or squeegee the port. Green is physics: water eats red light. Fix it by getting closer to the subject (less water column), shooting shallower, and correcting white balance in editing.
Universal housings with conductive membranes generally allow touch use at the surface; at depth, water pressure or the membrane may make touch unreliable. Learn the volume-button shutter shortcut before you get in — it's the most reliable trigger underwater, with deliberate one-at-a-time presses.
A wide-angle wet lens. It lets you stay close (less water column, clearer colour) while still fitting the forest in frame — the single biggest image-quality jump for kelp scenes. Macro add-ons are the second purchase, for the blennies and nudibranchs you start noticing once the wide shots are easy.
Kelp forests are the ocean's most photogenic architecture — and the trickiest to light. Camera settings, composition ideas and where to shoot canopy.
Sofia Andersson ·
Kelp forests are safe, magical snorkeling — if you respect cold water, surge and canopy. Skills, gear, hazards and spots for your first kelp snorkel.
Dr. Theo Nakamura ·
How to shoot smooth, colourful underwater video in a kelp forest with an action camera — the settings, lights, mounts and slow moves that separate footage from mush.
Tom Okafor ·