Port Saint Lucie to Mexico Beach is 447.4 miles and takes about 9h 15m via Florida's Turnpike, with a fuel budget near $68 and enough daylight to finish in a day if you start early. This trip stays within Florida, moving from the southern part of the state up to the Panhandle. Given its duration and distance, this is best suited for an overnight trip to avoid excessive driving in one go. You'll experience a mix of highway and surface roads, so be prepared for varying speed limits and traffic conditions as you transition.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
223.7 miles from Port Saint Lucie, FL
A natural place for your longest stop of the day
, about 4h 9m into the drive
.
Main Roads
Road
Distance
Duration
Florida's Turnpike
165.1 mi
2h 56m
Young Boulevard
66.5 mi
1h 25m
Hampton Springs Avenue
54.4 mi
1h 11m
US 27
48 mi
1h 1m
US 319
32.6 mi
49m
I 75
24.6 mi
26m
Avenue E
22.7 mi
31m
Sopchoppy Highway
17 mi
24m
Longest stretch:
Florida's Turnpike
— 165.1 mi, about 2h 56m
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Saint Lucie, FL and Mexico Beach, FL.
1
Start on Southwest Carter Avenue
215 ft·11 sec·Southwest Carter Avenue
2
Turn right onto CR 615
1.6 mi·2 min·Southeast Airoso Boulevard
3
Turn right onto FL 716
0.8 mi·1 min·Southwest Port Saint Lucie Boulevard
4
Turn left onto Southwest Bayshore Boulevard
0.1 mi·21 sec·Southwest Bayshore Boulevard
5
Take the ramp
0.5 mi·1 min
Toward Florida's Turnpike Toll
6
Keep slight right at fork
0.3 mi·45 sec
Toward Orlando, Florida's Turnpike NorthUse the slight right lane.
7
Merge onto Florida's Turnpike
165 mi·2 hr 56 min·Florida's Turnpike
Use the straight lane.
8
Keep slight left at fork onto Florida's Turnpike
0.2 mi·15 sec·Florida's Turnpike
Toward I 75 North: OcalaUse the straight lane.
9
Merge onto I 75
25 mi·26 min·I 75
10
Take the exit
0.3 mi·37 sec
Toward US 27: Ocala, Williston
11
Keep slight left at fork
295 ft·9 sec
Toward US 27 North: WillistonUse the left lane.
12
Merge onto US 27
48 mi·1 hr 1 min·US 27
Use the left lane.
13
Turn right onto US 19; US 98; US 27 Alternate
0.1 mi·15 sec·Main Street
14
Continue on US 19; US 98; US 27 Alternate
67 mi·1 hr 25 min·Young Boulevard
15
Turn left onto US 98
54 mi·1 hr 11 min·Hampton Springs Avenue
16
Turn slight right onto US 319
6.5 mi·9 min·Sopchoppy Highway
17
Keep slight left at fork onto US 319
11 mi·14 min·Sopchoppy Highway
18
Keep slight right at fork onto US 319
33 mi·49 min·US 319
19
Turn left onto US 98
23 mi·31 min·Avenue E
20
Continue on US 98
0.7 mi·1 min·Monument Avenue
21
Continue on US 98
12 mi·19 min·Bay Road
22
Turn left onto South 32nd Street
369 ft·16 sec·South 32nd Street
23
Arrive at destination
South 32nd Street
Trip Plan
This 9h 15m drive is best split over two days to make it more comfortable. Plan to leave Port Saint Lucie early on your first day to cover about half the distance, perhaps stopping around the Gainesville area. Your second day will involve the remaining drive to Mexico Beach. With two planned stops, ensure they are well-spaced, especially considering the 165.1-mile highway stretch on Florida's Turnpike. Keep an eye on your fuel levels, as services can be more spread out on certain sections of the route.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 223.7 miles from Port Saint Lucie, FL, or about 4h 9m into the drive.
The longest continuous stretch on this route runs about 165.1 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 98 miles or 1h 48m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 223.7 miles or 4h 9m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 223.7 miles or 4h 9m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 7h 45m
Traffic, exits, and arrival timing usually matter more near Mexico Beach, FL than in the middle of the route.
Before You Leave
+
Open the route before leaving Port Saint Lucie, FL so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Port Saint Lucie, FL
Aim for roughly 224 miles and 4.6 hours of wheel time on this day.
Day 2
Finish the approach into Mexico Beach, FL
Aim for roughly 224 miles and 4.6 hours of wheel time on this day.
Your first comfortable stop window is around 98 miles from Port Saint Lucie, FL.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on Florida's Turnpike for about 165.1 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 16
5 decision points cluster between mile 3.1 and 193.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
3.1 mi into trip|~5m in
Keep slight right at fork toward Orlando, Florida's Turnpike North
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward Orlando, Florida's Turnpike North
5
3.4 mi into trip|~6m in|Florida's Turnpike
Merge onto Florida's Turnpike
Merge point - match speed before joining. Lane positioning matters here
Use the straight lane.
7
168.2 mi into trip|~3h 3m in|Florida's Turnpike
Keep slight left at fork onto Florida's Turnpike toward I 75 North: Ocala
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight lane.
Toward I 75 North: Ocala
5
193.1 mi into trip|~3h 30m in
Take the exit toward US 27: Ocala, Williston
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 27: Ocala, Williston
8
193.4 mi into trip|~3h 30m in
Keep slight left at fork toward US 27 North: Williston
Highway fork - watch signs carefully. Lane positioning matters here
Use the left lane.
Toward US 27 North: Williston
Fuel & Cost
Regular Gas
$71.94 one way
$143.87 round trip
$4.08/gal25.4 MPG avg157 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.46
$78.47
$156.94
premium
$4.78
$84.23
$168.46
diesel
$6.28
$110.55
$221.09
Estimated Tolls: $11.54
Florida's Turnpike
(164.8 mi)$11.54
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Estimated Trip Cost (one way, 1 person)
Fuel
$72
Tolls
$12
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$213–$323
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 156.5 kg one way.
Prices: EIA weekly data, 2026-10-19.
Driving Electric?
About $47 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
134.2
1
$46.98
$21.48
Efficient EV
111.9
1
$39.15
$17.90
EV Truck/SUV
179
2
$62.64
$28.63
Gas CO2
157 kg
EV CO2
52 kg (67% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Oct 19, 2026
Origin
Port Saint Lucie, FL
Evening
in Port Saint Lucie on Thursday
Local time
7:42 PM
EDT
Current temp
72°F
Slight Chance Rain Showers
NE 15 mph20% chanceLive forecast
Rip Current Statement
Rip Current Statement issued October 19 at 2:34AM EDT until October 22 at 4:00AM EDT by NWS Melbourne FL
Rip Current Statement
Rip Current Statement issued October 19 at 2:26AM EDT until October 22 at 4:00AM EDT by NWS Jacksonville FL
Destination
Mexico Beach, FL
Evening
in Mexico Beach on Thursday
Local time
6:42 PM
CDT
Current temp
55°F
Mostly Clear
NE 15 mph0% chanceLive forecast
Rip Current Statement
Rip Current Statement issued October 19 at 2:34AM EDT until October 22 at 4:00AM EDT by NWS Melbourne FL
Rip Current Statement
Rip Current Statement issued October 19 at 2:26AM EDT until October 22 at 4:00AM EDT by NWS Jacksonville FL
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
Time zone
1 hour earlier
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
17 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
9h 15m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
About 60% of this 447.4-mile route is on highways. You'll encounter the longest continuous stretch of highway driving at 165.1 miles along Florida's Turnpike. After this, you'll transition to more surface roads, including segments on Young Boulevard and Hampton Springs Avenue. Expect to see more frequent exits and potentially slower traffic as you move off the main turnpike.
60% highway — fuel and pacing are the main things to plan.
23 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 165.1 mi on Florida's Turnpike.
How Hard Is This Drive?
7/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 3.1 miles in.
Driving Effort7/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 16 significant decision points across 447.4 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 3.1 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 3.4 miles (Florida's Turnpike): Merge point - match speed before joining. Lane positioning matters here; at 168.2 miles (Florida's Turnpike): Highway fork - watch signs carefully. Lane positioning matters here.
Elevation Profile
Mostly flat terrain
121 ft7 ft
Total Climb
141 ft
Total Descent
148 ft
Highest Point
121 ft
~127.8 mi in
Elevation Range
114 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Port Saint Lucie, FL to Mexico Beach, FL, road signs begin pointing toward Williston along the way.
Port St. Lucie is a sprawling tropical city on the Treasure Coast of Florida. The population is 202,000 and 438,000 in its metropolitan area (2019). Residents refer to the city by its initials, PSL. The spring training home of the New York Mets, this city has many fun activities if you know where to look; the new downtown area is in its infancy, but once complete will bring more activities for residents and visitors.
The Emerald Coast, also called the Miracle Strip, is in the Florida Panhandle and consists of the coastal regions of Escambia, Santa Rosa, Okaloosa, Walton, and Bay counties. The region is informally known as the "Redneck Riviera". South Walton Beach 30A, a 15-mile beach road between Panama City Beach and Sandestin, is a relatively unknown jewel consisting of first-class development, totally rewriting the idea of "Redneck Riviera".
The longest stretch is about 165.1 miles on Florida's Turnpike. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 224 miles on day one.
Expect about $11.54 in tolls one way, starting with Florida's Turnpike. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
Yes — we found about 22 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Mexico Beach, FL before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. There are 22 rest areas along the route for bathroom stops.
The main spots that need attention: at 3.1 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 3.4 miles (Florida's Turnpike): Merge point - match speed before joining. Lane positioning matters here; at 168.2 miles (Florida's Turnpike): Highway fork - watch signs carefully. Lane positioning matters here.
Not recommended in a single day. At 9.3 hours each way, a round trip means 18.5 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Mexico Beach, FL before the return drive.
