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A row of grey and black child car seats, including brands like Evenflo, sitting on display shelves in an American retail store with 'Display only' tags hanging from the harnesses.

Florida child seat laws: UK holidaymakers guide

Florida child seat laws explained for UK parents. Age requirements, and how to book the right car seat for your Florida hire car

Last Updated August 2026.

Florida child seat laws for hire cars: A UK parent's complete guide

Florida car seat laws require all children aged 5 and under to use a federally approved child restraint device in a hire car. This guide explains exactly what Florida Statute 316.613 says, why your UK car seat may not automatically comply, and what practical options you have before you travel. That requirement applies to UK visitors just as it does to Florida residents.


What Florida law says about child car seats in a hire car

Florida Statute 316.613 - the controlling legal authority for child restraint use in Florida vehicles requires all children aged 5 and under to travel in a crash-tested, federally approved child restraint device whenever they use a motor vehicle. The statute covers every vehicle on Florida roads, including hire cars, and it applies regardless of where the driver or family comes from.

The Florida Legislature sets out these requirements by age:

Child's age

Legal requirement

Notes

Under 3

A separate, federally approved child restraint device - an infant carrier, rear-facing seat, or convertible seat

Safety experts strongly recommend rear-facing until the child reaches the maximum weight or height limit for their seat

Ages 3 and 4

A federally approved child restraint device, forward-facing seat or appropriate booster

The seat must carry FMVSS 213 certification, see below

Age 5

A federally approved child restraint device booster seat

A seat belt alone does not satisfy Florida law at age 5 in a hire car. A narrow statutory exemption exists for ages 4–5 - see the note below but it does not apply to a UK family in a self-drive hire car.

Ages 6–17

A seat belt

The child restraint requirement ends at 6, but safety guidance recommends keeping children in a booster well beyond this age, see the section below

Statutory note - ages 4–5:

Exceptions to the statute

Florida Statute 316.613 (1)(a)(2) permits the use of a seat belt instead of a child restraint for children aged 4 and 5, but only in three tightly defined situations: where a non-family member transports the child without payment; in a medical emergency involving the child; or where a healthcare professional has provided documented evidence of a medical condition requiring an exemption. None of these circumstances would ordinarily apply to a UK family on a self-drive holiday. For all practical purposes, a federally approved child restraint device is a legal requirement for your child at ages 4 and 5.

to understand more about Driving in Florida read our full guide.


Does Florida law apply to UK visitors?

Yes. Florida Statute 316.613(1)(a) applies to every operator of a motor vehicle operated on the roadways, streets, or highways of the state of Florida. No exemption exists for foreign nationals, UK licence holders, or overseas visitors.

Consequently, as a UK parent driving a hire car in Florida, you must comply with the statute in full. Crucially, the fact that your child uses a fully compliant seat at home in the UK does not automatically satisfy Florida law. Compliance depends on which safety certification standard the seat carries, and the United States uses a different standard from the one UK parents know. The next section explains why this matters.


Are child seat laws changing in Florida?

You may have read that proposals were being considered by US law makers to amend the current laws relating to child seats in Florida, however on 13th March 2026, House Bill 233 (HB 233) and Senate Bill 1384 (SB 1384) failed to be enacted in law and therefore the current legislation as outlined in this article remains unchanged.


Why your UK car seat may not be legal in Florida

This is where many UK families encounter a genuine surprise. Florida Statute 316.613 requires every child restraint to be a crash-tested, federally approved device. In practice, that means the seat must carry certification under FMVSS 213, Federal Motor Vehicle Safety Standard 213 (49 CFR §571.213), the US federal standard governing child restraint systems, administered by the National Highway Traffic Safety Administration (NHTSA).

UK and European seats instead carry ECE R44 (weight-based) or the newer ECE R129 (i-Size) (height-based) certification. Both are robust, well-regarded standards. However, neither is equivalent to FMVSS 213, and Florida law does not treat them as such.


What does this mean in practice?

In practice, most UK car seats do not comply with Florida law unless they also carry FMVSS 213 certification. Some manufacturers design their seats for international markets and certify them to both standards, but this is not the norm, and most UK-purchased seats will not carry FMVSS 213.

Therefore, before you assume your seat is compliant, check the label on the seat itself. If it does not state FMVSS 213, it does not meet Florida's legal requirement — regardless of how safe it is by UK or European standards, and it's worth knowing that using a non-compliant seat can also affect your Florida car hire insurance cover in the event of an incident. If in doubt, contact the seat manufacturer directly before you travel.

The safest approach for most families is to hire a seat from the rental company, purchase a compliant seat on arrival, or if you want to bring your own, confirm FMVSS 213 certification before you travel and follow the correct installation procedure. The next section covers all three options.


Your options: Hire, buy, or bring your own

Most UK families travelling to Florida with young children have three practical routes when it comes to child seats.

Option

Pros

Cons

Approximate cost

Hire from the rental company

No need to carry your seat through the airport, plus you are guaranteed that the seat meets FMVSS 213 as standard

Additional daily cost; All car rental providers charge a daily fee which is capped. To confirm availability when you arrive it is suggested that you pre order your child seat at the time of booking your car hire.

Approx. $7–$14 per day +tax (payable locally) - see pricing section below

Buy a compliant seat on arrival

FMVSS 213 certified; yours to keep or donate; strong selection in Florida stores

Upfront cost; need to dispose of or donate on departure which can be challenging. You will also have potential logistical issues to overcome in order to travel from the airport to a retailer to purchase the child seat.

From approx. $30–$80 for a basic booster; $80–$300+ for a full infant or convertible seat

Bring your own from the UK

Familiar seat for your child; potentially no extra cost; child may settle better

Must carry FMVSS 213 certification; LATCH installation requires preparation; carries through the airport

No hire cost, but verify certification before you travel

NOTE: Buy-on-arrival pricing reflects approximate US retail figures (Target & Walmart). These are indicative figures only and change frequently.

Bring your own from the UK: What to check first

If you plan to bring a seat from home, confirm two things before you travel.

First, check the seat label for FMVSS 213 certification. If the label does not state this explicitly, the seat does not comply with Florida law, regardless of how safe it is by UK or European standards. If in doubt, contact the seat manufacturer directly before you fly.

Second, understand how the seat installs in a US hire car. That means understanding LATCH, and the section below explains what you need to know.

ISOFIX vs LATCH: What UK parents need to know

ISOFIX (the lower anchor system UK and European seats use) and LATCH, Lower Anchors and Tethers for Children work on the same fundamental lower anchor principle. NHTSA confirms that LATCH lower anchors and ISOFIX lower anchors use the same interface geometry, and in most cases a UK ISOFIX connector will attach to US LATCH anchors in a hire car without difficulty.

However, three important checks apply before you assume installation is straightforward:

  1. Confirm the seating position has approved LATCH anchors. Not every seating position in a hire car includes lower anchors. Check the vehicle's user manual, ask for it at the hire desk before you fit the seat.

  2. Confirm your seat manual permits that installation method. Some seats carry restrictions on weight, recline angle, or compatible vehicle types. Read your seat's installation guide before you travel, not in the car park.

  3. Use the top tether for all forward-facing seats. NHTSA strongly recommends using the top tether whenever the vehicle provides one for a forward-facing seat, and both NHTSA and the CDC confirm it significantly reduces head movement in a collision. UK parents frequently overlook this step because UK vehicles less commonly require top tether use. Do not skip it.

Installing your seat in the car park: A quick checklist

Fitting an unfamiliar seat in a hot Florida hire car after a long-haul flight creates real pressure. Work through these steps before you leave the car park:

  1. Check the seating position carries confirmed LATCH anchors refer to the vehicle manual

  2. Attach to LATCH anchors

  3. If applicable attach the top tether to the tether anchor and tighten firmly do not skip this step for forward-facing seats

  4. Perform the one-inch movement test hold the seat at the belt path and confirm it moves no more than one inch side to side or front to back

  5. Check the harness lies flat across your child's shoulders with no slack, and that the chest clip sits at armpit level

  6. Confirm your child's head sits below the top of the seat shell or headrest

If anything does not fit correctly, resolve it before you drive. Many rental companies can direct you to a nearby certified child passenger safety (CPS) technician. Ask at the desk if you need one, they are trained specifically to help with exactly this situation. Please note that any child safety device including seats must be installed by a guardian and will not be installed by the rental car companies.

SOURCE: The installation steps align with NHTSA LATCH installation guidance

A note on compact travel boosters

Some UK families travelling with children aged 4 and over choose a compact, foldable booster seat rather than paying daily hire rates or carrying a full seat through the airport. A small number of compact booster models carry certification under both FMVSS 213 and ECE R44/R129, making them suitable for Florida use. If you consider this option, confirm the specific model carries FMVSS 213 certification, not simply a European standard, before you purchase it. Additionally, compact backless boosters suit only children who meet the minimum height and weight requirements the manufacturer specifies. Always check the product label and manufacturer guidance before use.


How much does it cost to hire a car seat in Florida?

Rental companies charge a daily add-on fee for child seat hire, and prices vary by company, location, and season. Moreover, pre-booking a seat does not guarantee the desk will have one ready at collection, see the booking section below for why this matters and what to do if it happens.

Rental company

Daily Hire Rate (Based on rentals from MCO)

Maximum Hire Rate (Based on rentals from MCO)

Alamo

$6.99 +Tax

$70 +Tax

Thrifty

$13.99 +Tax

$98 +Tax

Dollar

$13.99 +Tax

$98 +Tax

Hertz

$13.99 +Tax

$98 +Tax

Sixt

$14.00 +Tax

$140 +Tax

Enterprise

$6.99 +Tax

$70 +Tax

NOTE - The prices in this table are correct as of 2nd April 2026.


Ages 6 and over: What the law says and what safety experts recommend

Florida Statute 316.613 covers children aged 5 and under. Once a child turns 6, the child restraint requirement ends and Florida law requires only a seat belt. In practice, this surprises many UK parents.

The UK Government's child car seat guidance published at gov.uk and verified April 2026, states clearly that children must use the correct child restraint until they reach 135 cm tall or the age of 12, whichever comes first. Most children do not reach 135 cm until around age 10 to 12. Consequently, Florida's legal cut off at age 5 sits substantially earlier than the standard UK parents routinely apply at home.

To be clear: Florida law ends at 5, but your responsibility as a parent does not.

Florida Highway Safety and Motor Vehicles (FLHSMV), the state's own road safety authority confirms that safety best practice extends beyond the legal minimum. Child safety organisations consistently recommend that children remain in a booster seat until they reach 135–145 cm and can pass the five-step seat belt fit test, regardless of their age. For many children, that means continuing in a booster until they are 10 or older.

Therefore, if your child is 6 or over but cannot yet fit a seat belt correctly across their chest and hips, choose a booster, even though Florida law no longer requires one. The legal minimum is not the safety standard.

SOURCES: UK Government child car seat guidance. Verified April 2026. FLHSMV child safety guidance also verified April 2026.

For everything else UK visitors need to know before driving in Florida, licence rules, road laws, tolls, and parking, our Driving in Florida guide covers it in full.


What happens if you break the law?

Breaking Florida's child restraint law carries real consequences. Under Florida Statute 316.613, driving without the correct restraint for a child is a moving traffic violation. Florida Statute 318.18(3)(a), confirmed directly from the Florida Legislature sets the base financial penalty at $60 for moving violations not requiring a mandatory court appearance. Court costs and administrative fees typically increase the total payable amount. The offence also adds three points to the driver's Florida record, as confirmed in Florida Statute 316.613(5).

One alternative does exist: under Florida Statute 316.613(5), a driver may elect with the approval of the court, to complete a child restraint safety programme approved by the chief judge of the relevant circuit. On successful completion, the court may waive the financial penalty and associated costs at its discretion, and the three-point assessment is also waived. This statutory option exists, though its practical availability to a UK visitor attending a Florida court would require separate legal advice.

Above all, however, the most significant consequence of non-compliance is the safety risk to your child in a collision. No financial penalty makes that worth taking.

PENALTY SOURCES: The $60 base fine is confirmed directly from Florida Statute 318.18(3)(a), verified from leg.state.fl.us on 2 April 2026. The three-point assessment and the child restraint safety programme alternative are confirmed from Florida Statute 316.613(5), verified from the same source. Note that court costs are variable and the caveat on the total payable amount should remain.


Book your car seat early: It matters more than you think

Pre-booking a child seat when you reserve your Florida car hire with Smarter Car Hire Florida is always the right first step, and because every booking comes with zero deposit, there's no cost to adding it early while you hold your place. However, it is important to understand what "pre-booked" actually means in the Florida car hire context.

Most rental companies treat child seats as "on request" accessories, not guaranteed reserved items. A car seat is physical inventory. Companies can damage seats, receive them back late from previous hirers, or face high demand during busy travel periods. During peak family travel seasons, UK school holidays, the Christmas and New Year period, and US spring break, rental desks at major Florida airports including Orlando International (MCO) and Miami International (MIA) can run short on infant and rear-facing seats in particular.

Pre-booking remains the right step. It records your requirement, it will appear in your booking confirmation, and it gives you the best chance of a seat being ready at collection. That said, arriving with a practical plan in case the desk encounters a problem is sensible preparation, and the steps below give you exactly that.

Remember when reserving a child seat with your car hire, you will need to make the payment at the point of collection at the car rental desk. If you're planning to pay with a debit card, it's worth checking the rules that apply at the desk first, since requirements vary by supplier..


Book Your Florida car hire and add a US-compliant child seat

Our UK team is available 24/7 if you have any questions before you travel.

Frequently asked questions: Florida child seat laws

About the author

Rob has been travelling to Florida since the early 1990s, first as a parent bringing his young family to explore the Sunshine State, and later as a property owner in the Orlando area. That first-hand experience of Florida family holidays, including real frustrations at the hire car counter, shaped everything Smarter Car Hire Florida was built to solve. In 2006, Rob Gardner co-founded Direct Villas UK Ltd (Company No. 06009413), the UK-registered business behind Smarter Car Hire Florida, with the goal of giving UK families honest, practical, and genuinely helpful guidance on every aspect of visiting Florida, including getting the car hire right.

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Reviewed August 2026