Scuba Diving at Donaldson Triangle - Reefmaker

Diving atDonaldson Triangle - Reefmaker (United States)

The Donaldson Triangle - Reefmaker site features substantial concrete structures, predominantly derived from the former Evans Crary Bridge. These materials, including pilings and deck span pieces, were repurposed and deployed as artificial reef elements. Located within Martin County’s extensive Artificial Reef Program, this site is part of a broader effort to create diverse marine habitats along the Treasure Coast.

Current morning readings from Donaldson Triangle - Reefmaker indicate an air temperature of 27°C. Surface wave heights are averaging around 0.6 m at this time. These local measurements provide a baseline for your daily dive planning.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Max Depth--
Entry Type--
Water Typesalt
Dive Types
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Dive Site Overview

Descending into this artificial reef system reveals a landscape transformed by human ingenuity and natural colonization, inviting divers to explore a vital underwater habitat. Concrete debris from the Evans Crary Bridge forms Donaldson Triangle - Reefmaker, creating a structured environment that now supports marine activity.

Strategically placed bridge materials, including pilings and sections of deck, foster marine life as part of a successful coastal public works initiative. Over 30 m (100 ft) of depth is accessible here. As part of Martin County's Artificial Reef Program, it's one of over a hundred such sites that contribute to the region’s robust aquatic ecology.

Divers can navigate through or around these substantial concrete formations, observing how a new ecosystem has developed around the repurposed infrastructure. Its structural complexity provides numerous nooks and crannies for resident fish and other organisms, making it a dynamic dive within a recreational depth range.

Water temperatures often range between 22-27°C (72-81°F). Annual monitoring ensures the site's structural integrity and continued biological enrichment, underscoring its role in local conservation efforts.

Donaldson Triangle - Reefmaker

Conditions are Good

8/10
Confidence: 8/10
Indicates meteorological model agreement and data availability.

Best Dive Window

07:00 - 14:00

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
27° / 29°
Wave Height
0.3 m
Wind Speed
15 km/h SSW
Rain Chance
100%

Current conditions near Donaldson Triangle - Reefmaker show 27° air, 29° sea temperature, 0.3 m waves, and 15 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 10, 2026, 11:00 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Planning a dive at Donaldson Triangle - Reefmaker often prioritizes visibility and calmer sea states. Months from May through August generally offer favorable dive conditions, with high dive scores and lower average wave heights, around 0.5-0.8 m (1.6-2.6 ft). During this period, wind speeds tend to be lower, enhancing surface comfort. Air temperatures average between 26-28°C (79-82°F), while water temperatures, though not consistently reported, are typically warm. Conversely, October can present moderate dive conditions due to higher average wave heights, around 1.6 m (5.2 ft), and increased wind speeds, impacting surface conditions and potentially reducing underwater visibility. Rain activity varies seasonally, with June through October showing higher average rainfall. For optimal diving, targeting the periods with lower wind and wave activity, which generally align with higher dive scores from May to August and then again in November, December, January, February, and March when air temperatures range from 18.5-22°C (65-72°F), tends to yield the best experience.

PEAK SEASON SCORE

85/100
Very Good

Scores combine air & water temps, waves, wind & rainfall for overall conditions.


BEST MONTHS TO DIVE

MAY
JUN
JUL
DIVE SCORE
(0–100)
70
JAN
70
FEB
72
MAR
73
APR
83
MAY
83
JUN
89
JUL
81
AUG
74
SEP
62
OCT
72
NOV
67
DEC
AIR TEMP (°C)
19
20
22
24
26
27
28
28
27
25
23
21
WAVES (M)
1.2
1.2
1.2
1.1
0.8
0.7
0.5
0.8
1.1
1.6
1.3
1.4
WIND (KM/H)
21
19
21
22
19
18
15
17
16
22
20
20
RAIN (MM)
1.4
1.7
1.7
3.3
2.4
6.6
4.8
5.4
8.0
5.8
1.9
2.2
DIVE SCORE GUIDE (0–100)
Excellent (90–100)
Very Good (80–89)
Good (70–79)
Moderate (50–69)
Poor (30–49)
Not Recommended (0–29)

Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.

Dive Experience & Conditions

Current dynamics are a notable aspect when diving offshore sites in Martin County, including Donaldson Triangle - Reefmaker. A prevailing north current typically allows for engaging drift dives across the reef, requiring careful entry and exit planning with the dive operator. This natural current often dictates the flow of exploration, guiding divers along the two-mile stretch where various artificial reef elements are situated. Underwater topography consists primarily of concrete rubble, pilings, and deck span pieces from the former bridge, providing a rugged and varied substrate for marine colonization. Visibility varies depending on conditions, influenced by factors such as recent weather, surge, and tidal movements. Depths at this site are suitable for recreational diving, though specific maximum depth is not provided in available data; divers should consult local dive operators for precise depth profiles and current conditions on the day of their dive. Conditions can shift, so staying informed is crucial.

Dive Difficulty & Safety Guidelines

Approaching Donaldson Triangle - Reefmaker safely involves acknowledging the unique aspects of artificial reef diving and offshore locations. Due to the prevailing north current offshore, careful dive planning, especially for drift dives, is essential. Divers should always confirm current strength and direction with their dive operator before entering the water. Boat traffic in popular areas necessitates deploying a dive flag and maintaining vigilance throughout the dive. While no specific hazards are consistently reported for this site, the irregular surfaces of concrete structures can present entanglement points, so maintaining buoyancy and situational awareness is critical. Adhering to responsible diving practices, such as proper weighting and ascent rates, helps ensure a safe and enjoyable experience at this actively monitored habitat.

Recommended Equipment

  • Dive Computer

This gear list is based on verified equipment signals for Donaldson Triangle - Reefmaker, United States. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

In these water temperatures, 2-3mm shorty or light wetsuit is a common choice for recreational diving. A hood or vest is suggested for sensitive divers due to surface winds. Longer dive profiles can make thermal protection more important than short exploratory dives.

The waters surrounding Donaldson Triangle - Reefmaker are currently maintaining temperatures close to 29°C (84°F). Surface air temperatures are resting at 27°C (81°F).

Environmental conditions appear stable for the near future.

Donaldson Triangle - Reefmaker conditions last reviewed: 11:00 local time (UTC-5), Jun 10, 2026

Due to technical issues with our weather providers, data hasn't been fetched for over 48 hours. The data above reflects the conditions at the time of the last successful fetch.

Emergency & Medical Support

Essential information to help you plan your dive trip to Donaldson Triangle - Reefmaker.

Hyperbaric Chamber

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.

Before diving, it's recommended to:

  • confirm nearest medical facilities
  • check emergency procedures with local dive operators
  • ensure dive insurance covers evacuation if required
24/7 Available

Divers Alert Network

Diving emergency assistance available through DAN World.

+1-919-684-9111
  • 24/7 emergency hotline
  • Diving medical assistance
  • Evacuation coordination
View official DAN emergency contacts

Emergency contacts are provided for reference. Always verify local emergency services before diving.

Marine Life at Donaldson Triangle - Reefmaker

Repurposed bridge debris forms the underwater landscape of Donaldson Triangle - Reefmaker, which has become a thriving ecosystem. An artificial reef, it provides essential habitat for various fish and underwater organisms. Concrete pilings and deck sections offer ample shelter and substrate for sessile invertebrates to attach and grow, forming the base of a diverse food web. Divers exploring the site frequently observe species utilizing these structures for refuge and foraging. Ongoing monitoring of these artificial reefs helps ensure they remain productive environments, fostering local marine populations and enhancing the overall biodiversity of Martin County's coastal waters.

Dive Centers Near Donaldson Triangle - Reefmaker

Jupiter Dive Center Storefront
28.9 km away

Jupiter Dive Center Storefront

4.4| 238 reviews
Today: 10:00 - 17:00
Sun10:00 - 17:00
Mon10:00 - 17:00
Tue10:00 - 18:00
Wed10:00 - 18:00
Thu10:00 - 18:00
Fri10:00 - 18:00
Sat10:00 - 18:00
The Kyalami Scuba Club

The Kyalami Scuba Club

5| 440 reviews
43.1 km
Neptunes Scuba Academy

Neptunes Scuba Academy

4.4| 14 reviews
43.1 km

Nearest Airports

Nearest airports to help plan travel to this dive area.

Palm Beach International AirportPBI
57 km
Vero Beach Regional AirportVRB
60 km
Melbourne Orlando International AirportMLB
114 km
💵Currency:USD

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Frequently Asked Questions

What is the Donaldson Triangle - Reefmaker?

It's an artificial reef system in Martin County, Florida, created from concrete debris, including pilings and deck sections, sourced from the former Evans Crary Bridge. The site is part of a larger program to develop marine habitats.

What kind of structures will I find at this site?

Divers will primarily encounter concrete rubble from the dismantled bridge, such as pilings and sections of deck span. These structures offer a varied and complex underwater topography for exploration.

What are the typical diving conditions?

Conditions often feature a prevailing north current, making it suitable for drift diving. Visibility varies with local environmental factors, and water temperatures are typically warm, though not consistently reported with exact values. Surface conditions are generally favorable during warmer months with lower wave heights.

When is the best time to dive here?

The months from May through August are generally favorable, offering calmer seas and good dive scores. Additionally, November, December, January, February, and March often provide good diving, albeit with cooler air temperatures.

Is this site suitable for beginners?

Due to the potential for currents, this site is generally recommended for certified divers with some experience, particularly in drift diving. Consulting with a local dive operator is advised to assess conditions suitable for individual skill levels.

How does current affect diving at Donaldson Triangle?

A consistent north current offshore typically facilitates drift dives. Dive planning must account for this current, ensuring proper entry and exit procedures in coordination with the dive boat to ensure safety and an enjoyable drift along the reef.

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