Best Safe for Teenager – 5 Picks Sorted by What a Teen Stores

Teen safe comparison by size, lock and weight

Pick a safe for a teenager by what has to fit inside, then by who should be able to open it.

Every one of these teen safes weighs 18.26 lb or less, so each can be carried off unless it is screwed down or cabled.

The best safes for a teenager, reviewed

Each teen safe below solves a different storage problem. The Healthy Dad Hacks video in this section shows the TENAMIC keypad and backup keys.

TENAMIC Safe Box 0.23 Cubic Feet: Best overall safe for a teenager

2.5Best Safe Spec Score out of 5

• Security (lock and build)2/10
• Access (speed and ease)8/10
• Capacity3/10
• Value9/10

No fire claim, so I left fire out. I scored access and value high for a keypad with two keys and an alarm at a low cost, and security low because a 5.5 lb box only deters siblings and guests.

How we score

Check price on Amazon

What we like

• Keypad code the teen sets, plus 2 emergency keys
• Alarm beeps 20 seconds after 3 wrong codes, 5 minutes after 3 more
• Pre-drilled holes and 2 mounting screws included

What we don't like

• No fire rating and light enough to carry off unmounted
• Owners report the beep can't be muted and batteries can drain fast

What owners and reviewers say from 2 reviews and posts we read

Praised for

• A parent says his son loves setting his own code, with the key as backup
• Compact enough for a bedroom shelf, with mounting screws in the box

Common complaints

• The keypad beep cannot be turned off, and some owners say batteries drain fast
• An owner with a dead keypad and a lost key could not get in

Read on: Healthy Dad Hacks: Best Mini Safe Box for Kids (owner write-up) · JustAnswer: Lost key to a Tenamic safe lock box with an inactive keypad

Who it's for: Teens who want their own code for cash, collectible cards or jewelry, with a parent holding the key; it has no fire rating and must be screwed down to stay put.

The TENAMIC Safe Box 0.23 Cubic Feet is a compact electronic keypad safe from TENAMIC, and my pick for most teens. The listing gives a 6.5 x 8.9 x 6.5 inch interior, 5.5 lb, two 0.6 inch solid bolts and two emergency keys. Three wrong codes trigger a 20-second beep; three more, five minutes. Pre-drilled holes and two screws let you fix it to a shelf. A dad at Healthy Dad Hacks says his son resets his own code every few months and the parents keep the key. The complaints: the beep can’t be muted, and some owners report fast battery drain.

Amazon Basics Steel Security Safe 25EI: Best bigger safe for a teen’s tablet

2.6Best Safe Spec Score out of 5

• Security (lock and build)3/10
• Access (speed and ease)7/10
• Capacity4/10
• Value8/10

No fire claim, so I left fire out. I rated capacity and value up for a tablet-size keypad safe, and kept security low for the light body and the lock complaints owners raise.

How we score

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What we like

• Keypad plus 2 emergency override keys
• Twice the space of the TENAMIC, with a removable shelf
• Pre-drilled holes and 4 expansion bolts

What we don't like

• No fire or water rating
• Owners on Reddit report a widely shared lock flaw and lockouts after a lost key

What owners and reviewers say from 4 reviews and posts we read

Praised for

• Owners like the price and the simple keypad

Common complaints

• Reddit threads point to a lock weakness shown in a widely shared video
• Owners locked out after the batteries died and the override key was lost

Read on: r/amazon: AmazonBasics Security Safe flaw · r/safecracking: Amazon basics safe, dead battery and lost key

Who it's for: Teens with a tablet, a handheld game console or a stack of cash and cards; at 18.26 lb it still has to be bolted to a shelf or dresser, and it makes no fire claim.

The Amazon Basics Steel Security Safe 25EI is a 0.5 cubic foot keypad safe from Amazon Basics, and I’d pick it when a tablet or game console needs a home. Its 13.6 x 7.2 x 9.7 inch interior is about twice the TENAMIC’s, with a removable shelf, two live bolts and two override keys. It weighs 18.26 lb and ships with four expansion bolts. Owners on Reddit point to a widely shared lock flaw and to lockouts after the key went missing, so I treat it as a sibling deterrent.

SentrySafe P008E: Best safe for a teen’s medication and passport

2.3Best Safe Spec Score out of 5

• Security (lock and build)2/10
• Access (speed and ease)8/10
• Capacity2/10
• Value8/10

No fire claim, so I left fire out. I scored access and value high for a keypad with a key backup and a cable, and kept security and capacity low for its size and the lid complaints.

How we score

Check price on Amazon

What we like

• 1-8 digit code, two user codes and an override key
• Steel tethering cable for a bed frame or closet rod
• Flat enough for a desk drawer or under the bed

What we don't like

• Walmart owners say the lid fits loosely and the cable hole is a weak spot
• A few owners got a unit that would not open or close properly

What owners and reviewers say review themes from 153 owner reviews, plus 10 posts and reviews we read

Praised for

• A parent tethered it to a closet rod for meds and valuables
• Easy to set up, with the key as a backup

Common complaints

• Lid does not fit tightly and the cable entry is a weak point
• Some units would not open or close properly

Read on: Walmart customer reviews: SentrySafe P008E (153 reviews)

Who it's for: Teens with their own prescription, a passport or a phone to lock away at night; it is only as secure as the bed frame or rod its cable loops around.

The SentrySafe P008E is a portable steel keypad safe from SentrySafe, and my pick for a teen’s own prescription. SentrySafe lists 3.2 lb, a 1.9 x 9.8 x 7.1 inch interior and a 1 to 8 digit code; retailers list an override key and a steel tethering cable. A pill bottle, passport and phone fit. One Walmart parent cabled it to a closet rod; others say the lid fits loosely and some units would not close.

SentrySafe 1200: Best fire-rated box for a teen’s documents

2.6Best Safe Spec Score out of 5

• Security (lock and build)2/10
• Fire protection7/10
• Access (speed and ease)8/10
• Capacity2/10
• Value9/10

I rate it well for value, quick access and its UL 30-minute fire rating; a privacy lock, no water seal and little space keep the rest low.

How we score

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What we like

• UL Classified for 1/2 hour up to 1,550°F (843°C)
• Carry handle for a grab-and-go exit
• Fits inside a bigger safe later

What we don't like

• Privacy key lock only and no water rating
• Owners on SentrySafe's site report cheap keys and a lock that would not turn

What owners and reviewers say from 9 reviews and posts we read

Praised for

• Sturdy box that gives peace of mind for papers and small valuables
• Key code stamped on the lock makes a replacement key possible

Common complaints

• Cheap keys that broke or a lock that would not turn
• Units arriving defective or without a key

Read on: SentrySafe customer reviews: 1200

Who it's for: Families who want a teen's documents ready for a first job, a trip or a fire; the key lock is basic privacy, so it guards against fire, not a determined sibling.

The SentrySafe 1200 is a small fire chest safe from SentrySafe, and the only pick here with a fire rating. SentrySafe says it is UL Classified for 1/2 hour up to 1,550°F, weighs 13.32 lb and has a 3.5 x 12 x 7.5 inch interior: enough for a passport, birth certificate and Social Security card, not legal-size folders. The lock is a basic privacy key and it has no water rating. Owners like the peace of mind; complaints are cheap keys and a stiff lock.

Master Lock 5900D: Best portable lock box for a teenager

1.9Best Safe Spec Score out of 5

• Security (lock and build)1/10
• Access (speed and ease)7/10
• Capacity1/10
• Value8/10

No fire claim, so I left fire out. I rated value and access well for a battery-free box a teen can carry anywhere, and security and capacity at the bottom because it is a basic travel case.

How we score

Check price on Amazon

What we like

• Set-your-own 4-digit combination, no batteries
• Cable wraps around a fixed object and doubles as a handle
• Earbud and charging-cable port; water-resistant build

What we don't like

• Basic security only; a lock-picking channel showed the dials can be read
• No key, so a forgotten combination means a lockout

What owners and reviewers say review themes from 282 owner reviews, plus 10 posts and reviews we read

Praised for

• Straps to a bed and fits in a backpack for travel
• Handy low-security box for medication and small items

Common complaints

• One owner could not reopen it after setting the combination
• Rubber on the dial came off for one owner, and one got no instructions

Read on: Walmart customer reviews: Master Lock 5900D (282 reviews)

Who it's for: Teens who need a phone and wallet locked to a bench or bleacher, and families who want a box only the teen can open; it is basic security, so it stops grabs, not tools.

The Master Lock 5900D is a portable personal safe from Master Lock, and the box I’d send to practice, the beach or a school trip. It uses a set-your-own 4-digit combination with no batteries and no key, so only the teen can open it. The cable wraps around a bench and doubles as a handle, and a port lets earbuds through. Master Lock rates it basic security; one Walmart owner was locked out after setting the code.

Which teen safe should you get

Match the teen safe to the thing they would hate to lose most.

• Cash, cards, earbuds, jewelry: TENAMIC 0.23 cu ft.
• A tablet or game console: Amazon Basics 25EI.
• Their own prescription or a passport: SentrySafe P008E.
• Documents that must survive a fire: SentrySafe 1200.
• Phone and wallet away from home: Master Lock 5900D.

Who should hold the teen safe backup key

For a keypad safe, the teen sets the code and a parent keeps the backup key out of the room. That avoids the two common fights. Teens on r/bulletjournal warn that a locked box “could make your parents super suspicious”, and one r/Parenting family allowed a lock only “as long as we have a key.” My rule:

• Medication or a passport inside: parent holds the key (TENAMIC, Amazon Basics, P008E).
• Privacy is the point: combination-only Master Lock 5900D; no key can override it.
• Family documents: SentrySafe 1200, with keys kept by the parent.

Medication is why I lean toward a parent key: among adolescents and young adults misusing prescription opioids, 55.7% got them from friends or relatives. The Locks Save Lives group names the Tenamic box as a low-cost keypad option for medicine.

How to set up a safe in a teen bedroom

Anchor the teen safe, set the code together, and record when the batteries went in.

1. Pick a closet shelf or dresser cabinet, not the top of a desk.
2. Screw the safe into furniture you own, or loop its security cable around the bed frame.
3. Have the teen set a new code and test it twice with the door open.
4. Put the backup key in a labeled envelope outside the room.
5. Write the battery date inside the door and swap them every school year.

Our how to bolt down a safe guide covers hardware.

Teen safe problems owners run into, and the fix

Most teen safe problems are carry-off, lockouts and expecting fire protection.

• Carried off. An r/homedefense reply calls small safes “reasonably secure against most casual theft attempts” only when bolted down. Screw it in or use the cable.
• Locked out. “If you lost the override key it’s a problem,” an r/Safes owner notes. Keep the key outside the safe; for keypad fixes, see our SentrySafe battery replacement guide.
• Fire or theft? r/Safes buyers ask whether one safe does both. At this size, no: the keypad picks claim no fire rating, and the fire-rated 1200 has only a privacy lock. Pair a keypad safe with the 1200 or a fireproof document bag.

A teen safe is not a gun safe

If the goal is keeping a teenager away from a parent’s firearm, none of these lock boxes is the answer. The r/Firearms thread ranking for this search points parents to heavy electronic gun safes. For a bedside handgun, see our nightstand handgun safe picks, and read your state’s official firearm storage rules; this is not legal advice.

How we picked these teen safes

We kept teen safes that two or more top-ranking guides recommend, each with its own Amazon US listing, and checked specs against the makers. Healthy Dad Hacks, Business Insider and Cape Fear Investigative each name one or more. We have not used these safes; owner notes come from 35 owner reviews and threads. Scores follow our how we score page.

From our notes: The TENAMIC’s 0.23 cubic feet sounded tiny until we laid its 6.5 x 8.9 x 6.5 inch interior next to the P008E’s. The P008E is only 1.9 inches tall inside, so it takes flat things: a passport, a phone, a pill bottle on its side. The TENAMIC is deep enough for a stack of cards, earbuds in their case and a small jewelry box. That height, not the cubic feet, decided which teen gets which box.

Before you buy, run through our safe buying checklist. For a teen who keeps cash, compare our safe for cash at home picks.