Diving the Blue Heron Bridge, Florida.

Diving Blue Heron Bridge Florida
A Blenny plays “hide and seek” with me at the Blue Heron Bridge, in Phil Foster Park. OMD EM1, ISO 200, f/16, 1/125 s, 60 mm macro lens with a +5 diopter.

January, 2016

The famous Blue Heron Bridge is located in West Palm Beach, Florida. It’s a macro lovers dream, and has even been called “Lembeh Straits East”, after the “critter diving” capitol of the world in the Philippines. Incredible biodiversity, and an easy shore dive nestled in a beautiful park.  Little wonder this biological hot spot has been listed in the top diving sites of North America, and people from all over the world dive it.

Phil Foster Memorial Park, Florida.
A friendly Egret walks by at Phil Foster Park. A portion of the old Blue Heron bridge was saved for use as a fishing pier, and the new bridge was built over and beside it.

This was my first trip to the Blue Heron Bridge (BHB), and an exploratory trip for the area. I saw many more things at the BHB than I could ever hope to photograph. One could spend a life-time photographing the wealth of marine life found here. From Southern Stingrays, and schools of Barracuda and Atlantic Spadefish, to prehistoric looking Batfish and Sea Robins, all they way down to Seahorses and the tiniest of nudibranchs only a few millimeters across. And you may also be lucky enough to spot a Manatee seeking refuge here during a cold snap. The bridge’s close proximity to the ocean, it’s hard structures, and the nourishing currents that rush through here twice a day from the tides supports all this abundant life.

Blue Heron Bridge diving, Florida.
Close up view of a sea star. All the unusual structures that you see here are just the skin gills (papulae) and the skeletal elements (spines).

There are other advantages to diving the BHB. It’s a bargain at only $38 USD for the rental of two tanks, weights and a dive flag (a legal requirement). The depths ranged from 6-22′, resulting in dives that were over 2 hours long. It’s also a part of the Intercoastal Waterway, so it’s largely sheltered and not as impacted by bad weather (winds). In addition, it has a snorkel trail for you to explore, and more importantly, for any non-diving members of your group.  And bonus, you don’t have to fly half-way around the world to see may of the same unique supermacro life, like Bumble Bee shrimps!

The downside is that word is now out on this place, and it can get quite busy at peak times (weekends, particularly in the summer). I’m told that up to 100 divers may visit here on a peak day.  I had to arrive an hour and a half earlier than high tide in order to get close parking, and get set up.

The Diving:
For practical reasons the bridge may be divided into three regions: the West side (main bridge), the snorkel trail, and the East side (small bridge). It’s best to pick one side of the bridge or the other, otherwise you will be too rushed and unfocused.

Diving Map of Blue Heron bridge, florida.
Phil Foster Memorial Park & the Blue Heron bridge. (Source: Parks & Recreation Dept., Palm Beach County, www.pbcparks.com)

The diving is best, in terms of visibility and current, one-half hour on either side of the high tide. All the local dive shops list these times on their boards, but you can look up the times for the Port of West Palm beach .  But always wanting the maximum bottom-time, I got in 1 hour before the high tide and explored the area between the swim area (NO diving inside here) to the area just outside the snorkel trail for about a half-hour, then made my way over to the bridge that I wanted to explore.  The current is swiftest in the deeper channels around the snorkel trail, and you can judge its speed before getting in the water by looking at the tilt of the markers (buoys).

The actual snorkel trail is interesting to explore, and composed of man-made structures that act as an artificial reef. There are three Hammerhead statues at the beginning (West) part of the trail. But I found the area difficult to take pictures in, as the snorkelers and student divers there tend to stir up the silt.

The visibility is best with the incoming tide, as it brings in clean ocean water, and varied anywhere from 10-20′ over my stay. Divers told me that it can reach as good as 50-60′ when the right conditions conspire. It depends on many factors: the amount of recent rain, activity in the port North of the bridge, the opening of the canals in the North to the weather conditions on the ocean which can bring in silt with the incoming tide.

 

Diving the Blue Heron Bridge, Florida.
The East (“little”) bridge. Explore the channel slopes, the bottom on either side of the bridge, and under it. Stay away from the boat docks on the east side.

You will most often see fishermen on the West side on the fishing pier.  Another good reason to carry a dive flag. The Sheriff’s department and Coast Guard have a large presence here, and they will ticket divers without them.  A mutual respect exists between the divers and fishermen here. I was told that there has never been an incident between the two groups. But I just avoided going near the fishing pier.

 

Diving the Blue Heron Bridge, florida.
The West bridge. A view from the fishing pier (when the current is flowing). Note the boat channel with rails (bumpers). Stay clear of it, and don’t go any further west than here. There is about a 6′ gap between the boat channel and the concrete support wall (center of photo) that is worth exploring.

The sandy, grassy and “muck” bottoms in the central area between the bridges (inside the Vessel Exclusion Zone) are rich with life.  I had alot of fun exploring here while waiting for the current to slow.  The navigation is simple here since the park lines-up nicely along a north-south axis. The snorkel trail heads along a east-west axis. A compass is very useful, but it’s also easy to “pop up” and take a look when you feel the need, since it’s so shallow.

Sea urchin structures, at Blue Heron bridge, florida.
A close-up view of a Sea Urchin, the “Hedge hog” of the sea. Easily visible are the primary spines, secondary spines, and pedicellariae (the three jawed pincers) for defense and cleaning. They also have hollow, flexible, muscular projections called tube feet, which end in suckers. They can be extended beyond the spines to grip objects that are on the floor bottom.

The Marine Life:

There are seasons for some of the animal life here. For example, in summer the Frog fish congregate here to mate. I found many of the same critters on both sides of the bridge, as they do move around. But what is important to realize is that the life here is more habitat specific.  It’s like the BHB is a biome composed of smaller ecosystems: sandy areas, gravelly areas, boulders, grassy areas, “muck”, and reef (both natural, and man made), with two rivers bordering them.  So look at the photos (here or elsewhere) carefully to help you find where to look. This is why I found it helpful to hire a local guide for two dives to learn more and train my eyes to find more critters, that I would’ve otherwise missed. Be sure to look inside of any debris, like old discarded bottles, for creatures that may have taken up residence. The following photos were taken over four dives.

Stone fish at Blue Heron Bridge Bridge, Florida.
Beware of Stone fish here. Being camouflage experts, there’s always more around than you think.

 

Bearded Fireworm at Blue Heron bridge, Florida.
The Bearded Fireworm. Beautiful, but never a good intimate experience. The bristles are hollow and venom-filled. Be careful. My little finger accidentally brushed up against one, and blistered up.

 

Here are some of the pictures from memorable moments taken while exploring the shallow areas between the two bridges and around the snorkel trail:

Atlantic Longarm Octopus at Blue Heron Bridge, Florida.
Atlantic Longarm Octopus. Hard to find because they live in sandy areas, hide in holes, and like other octopus, can change their colour and texture to blend in. This one was golf-ball sized. A few moments later after this picture was taken, and with earned trust, it started to stretch its relatively enormous arms to “play” with me.

 

Long Snout Seahorse at Blue Heron Bridge, Florida.
Long Snout Seahorse. Difficult to spot, as their chief defense is camouflage. They can change colour to suit their habitat, and can vary from black to brown, yellow, red, and orange.

 

Dusky (Florida) Pipefish, Blue Heron Bridge, Florida.
The Dusky (Florida) Pipefish. Pipefish are closely related to Seahorses. Maximum length 25 cm.

 

Juvenille French Angelfish at cleaning station.
A helping hand. One of the most striking of fishes is the juvenille French Angelfish, with its black body, gold stripes and royal blue splashes .  I stumbled upon this juvenile French Angelfish cleaning an Atlantic Spadefish of irritating parasites. They advertise their “services” by swimming with a fluttering motion.

 

Immature French Angelsfish.
Almost there. A maturing intermediate Gray Angelfish. 

 

Upside-down jellyfish, Blue Heron bridge, Florida
Upside-down Jellyfish. Unlike other jellies, it rests its bell on the bottom. If it gets overturned, it will quickly revert to its upside- down orientation. Why? To expose its symbiotic algae (brownish coloured) to sunlight, allowing it to photosynthesize and supply the jellyfish with food energy.

 

When the current slows down, the areas around the bridges may be explored. Explore the bottom areas in front of and behind the bridge, not just under it, the slopes, as well as the bridge supports. Since the animals are often so so small and well camouflaged, I found them by noticing movement out of the corner of my eye. Here are some memorable pics from those dives:

Lined Seahorse, Blue Heron bridge.
Portrait of a Lined-Seahorse.  Many have white lines that follow the contour of the neck, giving it its name. The snout is smaller, about one-half the length of the head. They’re sensitive to being “over photographed”, and will turn away from you. So wait for the shot you want.

 

Sea horse at blue heron bridge.
Where can you find a seahorse? You’re probably already looking at one!

 

Flying Gurnard (Sea Robin)
Flying Gurnard (Sea Robin). Despite its name, it doesn’t fly. But when disturbed it will unfold its large, beautifully coloured fan-like wings and go for a short “flight”. It spends most of its time on the bottom, walking on its pectoral fins.

 

Slender filefish, Blue Heron bridge,Florida.
Seldom seen. This Slender Filefish was only a few inches long. A discreet fish with a mottled appearance makes them blend into the background really well.

 

Banded Jawfish, Blue Heron bridge, Florida.
A Banded Jawfish. The males of this species are well known for incubating the eggs in their mouths until they hatch.

 

Male Bluethroat Pikeblenny.
Male Bluethroat Pikeblenny. They occur in groups. Skinnier than a pencil, this one seems to be occupying an empty worm tube.

 

Polka dot Batfish, Blue Heron bridge, Phil Foster Park, Florida.
A yawning Polka Dot batfish. One of the strangest looking fish. Being poor swimmers, they walk along the bottom on limb-like pectoral and pelvic fins. Batfish are “angler fishes”, that are equipped with a “fishing pole” tipped with a fleshy “bait” (located just above the mouth) to lure in prey. It can be withdrawn when not in use.

 

Octopus vulgaris, or common octopus, Phil Foster Park, florida.
Octopus Vulgaris, or the “Common Octopus” are masters of camouflage, which makes them hard to spot. I knew one was nearby, as they’re sloppy eaters, leaving behind discarded shells and crab parts.

 

Hermit crab, Phil Foster Park, florida.
This was the shot I wanted. A Hermit crab with “attitude”.

 

Feeding Arrow Crab, Phil Foster Park, florida.
A feeding Arrow Crab. They remind me more of an underwater “Daddy Long Legs ” spider. They’re so-named because of the shape of the body and head. They don’t tolerate others of the same species very well, and I saw a few short-lived “disputes”.

 

 

Seaweed Blenny at Blue Heron Bridge, florida.
I found this little Seaweed Blenny on a limestone boulder. Shy and somewhat wary of divers. In order to gain some trust, I spent about 15 mins with it. This is the same one as in the Intro photograph at the start. It was only a few centimeters long.

 

Seaweed Blenny, Blue Heron Bridge, florida.
The same Seaweed Blenny, looking more relaxed.

 

Other Local Diving:

If the weather is good, you also have the option to head out to the open ocean for some reef diving. It’s all drift diving here, about the speed of a slow walk (1 knot). From a map you can see that the West Palm Beach area is the furthest point East of the state, and it juts out into the warmer waters of the Gulf Stream current. This is the reason that you will find the same marine life, corals and sponges here as you would in the Caribbean.

Diving West Palm Beach, florida.
Breakers Reef. You will find abundant fish life, and beautiful huge barrel sponges, elephant ear sponges, vase sponges and gorgonians.

I was pleasantly surprised at how nice some of the reefs were (ie. the “Breakers”), and how abundant the fish life was (unlike in many other locales). I saw a Hawksbill turtle, two large green Morays, and the largest Southern Stingray that I’ve ever seen. It was also encouraging to see only one small lionfish over four dives. The water temperatures were an unseasonably warm 79 deg F (it’s usually in the high 60’s to low 70’s). But beware this time of year, the weather (wind) can be very touchy, and one day I experienced 2-4′ seas (occasional 5′) with a viz of 30′.

Tips:

There are two dive shops close by the bridge. I rented the gear from Force E divers on the West side of the bridge on Blue Heron blvd. They’re open early and are happy to chat about the bridge and supply you with a detailed photocopied map for diving it. I’ve provided a PDF copy of the map here:ForceE_BHBmap

Purivida divers is on the East side of the bridge, and that’s where I got in touch with a pleasant and experienced guide, Andrea, who enjoys working with photographers. The cost was $85 USD.

Walker's dive charters, florida.
Bill’s boat, the “Wetter the Better”.

I can recommend Bill Walker’s Dive Charters. He’s very welcoming, experienced and accomodating. His boat is well appointed and has two fresh water rinse hoses, a large rinse bucket for your camera, and a deck shower. The  divemasters were very helpful in all things. Water, soft drinks and pineapple fruit were offered.

Sunshine Shores Resort, Palm Beach, Florida.
The courtyard at Sunshines Shores resort, just outside the rooms.

Palm Beach is a very expensive area to stay. But we found a real gem in Sunshine Shores Resort. It’s very reasonably priced, and it seems designed for divers,  giving a 10% discount. It’s only minutes from the BHB, and all amenities and restaurants. The apartments have kitchenettes,  are nicely furnished inside, and have lineoleum floors so you don’t have to worry so much about your wet gear. They have an outside shower, a rinse hose, and lines to dry your gear. The apartments all surround a relaxing courtyard that is beautifully landscaped.

Visit the Blue Heron Bridge Dive Club facebook page for more photos, updates and useful information.

 

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