2 photosCoca Plum Beach
Ocean beach in Marathon, facing south-east, with parking and bathrooms within walking distance.
- Pier
- Hotels nearby
- Warm water 8.3
- Bathrooms
- HoursClosed now, opens 7:30 am
- Parking1 lot within 1,310 ft
- DirectionsGoogle Maps
- Calm water
- 5.5 of 10
- Water
- 89 Ftoday
- Sunset
- 7:33 pmover land
- Parking
- Mapped1 within 1,310 ft
- Families
- Fair
Today, Thursday, Sep 10
Good beach day
Very warm water. Watch: 26% rain chance, wind, waves.
- High
- 89 F
- Sea temperature
- 89 F
- Waves
- 1.9 ftup to 2.4 ft
- Wind
- 11 mphup to 13 mph
- Rain chance
- 26%
- UV index
- 6high
- Sun
- 7:08 am to 7:33 pm
- Low2:27 am0.4 ft
- High9:02 am2.7 ft
- Low3:09 pm0.3 ft
- High9:27 pm2.3 ft
- 8:00 am87 Fpartly cloudy, 21% rain, 12 mph
- 11:00 am89 Fovercast, 21% rain, 7 mph
- 2:00 pm83 Fovercast, 12% rain, 3 mph
- 5:00 pm · best85 Fpartly cloudy, 8% rain, 4 mph
Great for
- FamiliesFairCalm water 5.5, bathrooms nearby
- SwimmingGoodWaves around 2.8 ft, sea 82 F on average
- SunsetsLimitedsets over land
- ConvenienceLimited1 parking lot, no food mapped
How the Beach Score is calculated: 4.7 of 10
The score is the sum of the components below. Clear water counts only where a clarity source exists. Rankings never take revenue as an input.
| Component | Points | Fact |
|---|---|---|
| Facilities | 1.8 of 3 | Within walking distance: parking, bathrooms. |
| Calm water | 1.1 of 2 | Mean daily maximum wave 2.8 ft. |
| Warm water | 0.8 of 1 | Mean sea temperature 82 F. |
| Sunset over water | 0.0 of 1 | The shore faces away from the sunset all year. |
Ranks #15 of 168 for warm water in Florida, #42 of 60 for hotels nearby in Florida, #43 of 67 for pier in Florida, #65 of 81 for bathrooms in Florida, #86 of 124 for parking in Florida. All beaches in Florida.
Amenities
- Parking1 nearby
- Free parkingNo
- Bathrooms1 nearby
- ShowersNo
- Restaurants and barsNo
- Beachfront hotelsNo
- Hotels nearby1 nearby
- Beachfront campingNo
- Camping nearbyNo
- Pier13 nearby
- BoardwalkNo
Water, sand, and nature
- Calm water5.5 of 10
- Warm water8.3 of 10
Hours, fees, and rules
- Hours
- 7:30 a.m. to dusk, daily
- Operator
- Run by City of Marathon
- Phone
- +13057436598
- Address
- Coco Plum Drive, Marathon, FL 33052
Sunset and sunrise
The shore faces south-east (149 degrees). The sun sets over land all year.
Planning a trip
Early October is usually warm, with very warm water and a higher chance of a rainy day.
- Water
- 84 FVery warm
- High
- 83 FWarm
- Rainy day
- 59%Rain is common
- Waves
- 3.0 ftModerate
What to expect
- Very warm swimming water, around 84 F
- Moderate waves, around 3.0 ft
- Rainy days are common in October (18 a month)
- October is within Atlantic hurricane season, at its peak
Atlantic hurricane season runs June 1 to November 30, peak from mid-August to late October. Storm history near this beach
3 October storms within 62.1 mi since 1980, about one every 15 years, 2 at hurricane strength. Most recent in any month: Tropical Storm Eta, November 2020, 15.5 mi away. Source: NOAA HURDAT2 best tracks, counted at tropical storm strength or stronger. Season dates from the NOAA National Hurricane Center.
Coca Plum Beach through the year
| Measure | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Warm water | Jan: 74 F, mild | Feb: 76 F, warm | Mar: 78 F, warm | Apr: 79 F, warm | May: 84 F, very warm | Jun: 86 F, very warm | Jul: 88 F, very warm | Aug: 89 F, very warm | Sep: 87 F, very warm | Oct: 84 F, very warm | Nov: 81 F, very warm | Dec: 77 F, warm |
| Low rain | Jan: 5 rainy days | Feb: 5 rainy days | Mar: 6 rainy days | Apr: 7 rainy days | May: 7 rainy days | Jun: 21 rainy days | Jul: 17 rainy days | Aug: 20 rainy days | Sep: 20 rainy days | Oct: 18 rainy days | Nov: 7 rainy days | Dec: 7 rainy days |
| Calm water | Jan: waves 3.1 ft, moderate | Feb: waves 3.1 ft, moderate | Mar: waves 3.1 ft, moderate | Apr: waves 3.3 ft, often rough | May: waves 2.1 ft, moderate | Jun: waves 2.4 ft, moderate | Jul: waves 2.0 ft, moderate | Aug: waves 2.1 ft, moderate | Sep: waves 2.0 ft, moderate | Oct: waves 3.2 ft, moderate | Nov: waves 3.3 ft, often rough | Dec: waves 3.4 ft, often rough |
When to go
- Best overallMarch to Mayvery warm water · fewer rainy days · warm days
- Warmest waterJuly to September89 F average
- DriestJanuary to March5 to 6 rainy days a month
All monthly averages, 2023-2025
| Month | Sea temp | Air max | Rain days | Wave height |
|---|---|---|---|---|
| Jan | 74 F (23 C) | 73 F (23 C) | 5 | 3.1 ft |
| Feb | 76 F (24 C) | 75 F (24 C) | 5 | 3.1 ft |
| Mar | 78 F (25 C) | 76 F (25 C) | 6 | 3.1 ft |
| Apr | 79 F (26 C) | 78 F (26 C) | 7 | 3.3 ft |
| May | 84 F (29 C) | 82 F (28 C) | 7 | 2.1 ft |
| Jun | 86 F (30 C) | 85 F (29 C) | 21 | 2.4 ft |
| Jul | 88 F (31 C) | 86 F (30 C) | 17 | 2.0 ft |
| Aug | 89 F (31 C) | 87 F (31 C) | 20 | 2.1 ft |
| Sep | 87 F (31 C) | 86 F (30 C) | 20 | 2.0 ft |
| Oct | 84 F (29 C) | 83 F (28 C) | 18 | 3.2 ft |
| Nov | 81 F (27 C) | 79 F (26 C) | 7 | 3.3 ft |
| Dec | 77 F (25 C) | 75 F (24 C) | 7 | 3.4 ft |
Explore Coca Plum Beach
Parking, food, stays, and facilities around the beach, mapped in OpenStreetMap within 0.7 mi.
All places near Coca Plum Beach as a list (3)
Nearest parking 240 ft · Nearest restrooms 310 ft · 1 min walk
More photos of Coca Plum Beach

Nearby beaches
Questions about Coca Plum Beach
Is there parking at Coca Plum Beach?
Yes. 1 mapped parking area within 1,310 ft. Source: OpenStreetMap.
How warm is the water at Coca Plum Beach?
Sea surface temperature averages 88 F (31 C) in July and 74 F (23 C) in January. Source: Open-Meteo marine model, monthly means.
Is the water calm at Coca Plum Beach?
Calm water scores 5.5 of 10. Mean daily maximum wave height is 2.8 ft. Source: Open-Meteo marine model.
Can you see the sunset over the water at Coca Plum Beach?
No. The shore faces away from the sunset all year.
When is hurricane season at Coca Plum Beach?
Atlantic hurricane season runs June 1 to November 30, with the peak from mid-August to late October, per the NOAA National Hurricane Center. Since 1980, 16 named storms passed within 62.1 mi of the beach, 7 at hurricane strength, most in August, September and October. Source: NOAA HURDAT2 best tracks.
Sources
- © OpenStreetMap contributors
- Weather data by Open-Meteo.com
- Storm tracks from the NOAA National Hurricane Center HURDAT2 archive, public domain
- Tide predictions from NOAA CO-OPS station Key Colony Beach (8723962), public domain
- Rip current risk, surf, and alerts from the National Weather Service KEY office for Monroe Middle Keys (FLZ077), public domain
Licenses and refresh dates for every dataset are on the data page. Something wrong? Every beach page has a report button; corrections are logged with a date.
© OpenStreetMap contributors. Beach location, shoreline, and amenity positions are from OpenStreetMap under the ODbL. Data updated Sep 10, 2026.



