Snorkeling & Collecting Discussion Group

Ron, my closest friend lives on the water on Key Largo so I did quite a bit of SCUBA diving there. Love the manatees. :beaming-face-with-smiling-eyes:

 
i could read about your adventures all day and your wife takes amazing photos. please share more, this is a bucket list item for my wife and i to snorkel... we are landlocked in Indiana.
I explained to my wife that you like her photos and she said "Thank you!" Here are a few more.
I would love to snorkle in the Keys. @Ron Reefman , you should organize a R2R field trip, lol.
To both of you and anybody else that ever plans to come to the Florida Keys, please feel free to ask questions. Whether it's just a visit to the Keys or a snorkel trip, I'm always willing to try and help. I'd like everybody who visits the Keys to have a good time!

I have been known to help out a visiting aquarium club when they were visiting the Keys. The huge boat they had lined up, ended up damaged and unavailable. So I got them to come down to the Horseshoe and they had a great time!

I'm retired, so my schedule is kind of flexible. And an excuse to visit the Keys and snorkel is always a possibility. We are considering a Fall trip (like October). But the weather can be very questionable that time of year (hurricanes and thunderstorms). However, hurricanes are few and far between, thunderstorms are mostly afternoon events and the water is so warm (90F or more) that you can snorkel for hours and not get cold! May is far and away the best time to visit. Less people, water that has just become warm enough (upper 70's), no hurricanes and very low chance of any rain... oh, and lots of juvenile critters to see since it's just after the breeding season.

I expect to do 1 or 2 photography trips to the Keys sometime from December to March; around the full moon time. I have a couple of full moon photos I want and that is the best time of year to get a clear horizon so I can get the moon behind a lighthouse. This is the Sanibel Lighthouse and a photo I took in April of 2025.

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And here are a few more of Elaine's photos from our Keys trip. She didn't share finding this sea star with me or it would have been the one I'd have collected. The orange color is just awesome!
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We saw 5 or 6 bigger crabs like this swimmer crab.
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Elaine really enjoyed watching this big Tulip snail 'walking' along over the rocks.
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There are a million feather dusters attached to the rock here. But all the rocks are huge and the feather dusters are attached so well that you kill them when you try to remove one.
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This is a view along the shoreline of the Horseshoe a short while after high tide. At high tide (especially near a full or new moon) the water gets up over most of the dry land you see here. At low tide the rock drop off edge is about 12 to 18 inches.
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This is the view looking out over the Horseshoe. The marker you can see at the horizon is at the outer edge of the left arm of the quarry. The land you see at the horizon to the right of the marker is Big Pine Key, a couple of miles across the water. The water inside the quarry slopes down at 45 degrees until it gets about 12 feet deep, then it goes vertical down to 30 or 40 feet deep. Outside the Horseshoe, the water is only 2 to 4 feet deep for very great distances. Inside on the left arm, outside on the right arm and out at the entrance into the Horseshoe is the best snorkeling. Just note that there is almost NO CORAL here. If you want to see big coral, take a snorkel charter out to Looe Key or Sombrero Lighthouse.
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We had a birthday party at City Island with 6 kids aged 2-8 running around the shallows with a dip net, collecting. When I saw they had a pipefish and a bunch of tiny clear shrimp, I offered to give them a home in my 10g Nuvo. The pipefish was in the tank all of 3 seconds before swimming into the largest RFA. It immediately enveloped it, and still is curled up an hour later in the “moonlight”. I wanted the shrimp to be occasionally eaten by the RFA, didn’t really think they could handle something the size of the pipefish.

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We had a birthday party at City Island with 6 kids aged 2-8 running around the shallows with a dip net, collecting. When I saw they had a pipefish and a bunch of tiny clear shrimp, I offered to give them a home in my 10g Nuvo. The pipefish was in the tank all of 3 seconds before swimming into the largest RFA. It immediately enveloped it, and still is curled up an hour later in the “moonlight”. I wanted the shrimp to be occasionally eaten by the RFA, didn’t really think they could handle something the size of the pipefish.

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Don't feel bad for the pipefish. I've collected them before, here in Cape Coral, and they are lucky to survive 5 to 10 days in my aquarium. I don't know why they died, but they did.
 
OK, it's been a long time since I added anything here. But the truth is, we don't go snorkeling as much as we used to. I have a much smaller aquarium and need far less clean-up crew which was half the reason I went snorkeling.

But we are looking into going to the Keys in late Sept or early Oct. The water is still plenty warm enough to be comfortable and the threat of thunderstorms or hurricanes goes down by then.

Now that we have sold the 11' inflatable boat, we'll probably just snorkel the Horseshoe and Bahia Honda State Park... and maybe the SE end of Spanish Harbor Key (the opposite end of the island from the Horseshoe). There is a boat ramp there and off the the right from the ramp is a pretty good spot to collect various snails.
 
We were at horseshoe beginning of July. One can stay in the water for hours on end observing the life within. Every time we go, we see new things and the last trip was best yet.


Absolutely love that place.
I went to horseshoe for the first time a week or two ago. No tank currently so I wasn’t looking super closely for inverts and cleanup to collect, but there was quite a number of fish that would be desirable… not sure of species. There were possibly more fish there that I’ve ever seen snorkeling tho…
 
I went to horseshoe for the first time a week or two ago. No tank currently so I wasn’t looking super closely for inverts and cleanup to collect, but there was quite a number of fish that would be desirable… not sure of species. There were possibly more fish there that I’ve ever seen snorkeling tho…
The young fish that make up most of those at the Horseshoe are not ones you want in your tank. There are some, don't get me wrong, but most are not. However, it is so cool to snorkel around where all those fish are!
 
The young fish that make up most of those at the Horseshoe are not ones you want in your tank. There are some, don't get me wrong, but most are not. However, it is so cool to snorkel around where all those fish are!


As far as fish go there are some nice blennies and gobies if you have a small net and start carefully flipping rocks.

I've seen angels, atlantic tangs, etc, etc last time I was there but there is no catching these. The large schools of tiny fish could be anything including barracudas.

There is so much stuff there if you take time snorkeling and observing.
 
The young fish that make up most of those at the Horseshoe are not ones you want in your tank. There are some, don't get me wrong, but most are not. However, it is so cool to snorkel around where all those fish are!
There were definitely some that I recognized as common reef aquarium fish. Didn’t have my GoPro or anything kind of just swimming and enjoying it rather than documenting what I saw. I don’t think I would really collect anything more than cleanup crew type stuff. Some sort of guilt about taking a fish that knows the ocean and putting it in a tank. Going to make an effort to only purchase aquaculture fish.
 
There is so much stuff there if you take time snorkeling and observing.
This is SO TRUE! I see people snorkeling all the time who are just not talking the time to see what is right in front of them! That's their loss. But let it be a point of education to those who want to enjoy snorkeling in the shallows.
 
This is SO TRUE! I see people snorkeling all the time who are just not talking the time to see what is right in front of them! That's their loss. But let it be a point of education to those who want to enjoy snorkeling in the shallows.


This year, seeing these was the cherry on the cake.

https://www.kpaquatics.com/product/anemone-shrimp-pederson/
Very easy to miss unless you start observing each boulder on the left at horseshoe. Also saw a bunch of small sea lettuce which most people would absolutely miss due to it blending with the rock surface.

Too bad I already know we won't be heading that way next year. :(
 
This year, seeing these was the cherry on the cake.

https://www.kpaquatics.com/product/anemone-shrimp-pederson/
Very easy to miss unless you start observing each boulder on the left at horseshoe. Also saw a bunch of small sea lettuce which most people would absolutely miss due to it blending with the rock surface.

Too bad I already know we won't be heading that way next year. :(

That's too bad. I consider us very lucky that it's only a 4 1/2 hour drive to the Middle Keys. So we get to go for 2 or 3 days of snorkeling, 2 or 3 times a year. And on top of that, we do have some fun beach walks along Sanibel and at Bunche Beach in Ft Myers. When the weather is right, like after a winter cool front, the beaches on Sanibel are littered with live things from the Gulf... if you know where to look.
 
Very cool thread. Was down at Amoray Dive and some place on Islamorada for 6 days in March. Went diving 6 times and enjoyed every minute in the water. Will have to add this to my list even though i don't think anything will survive the 2 day drive home to upstate NY.
 
Next week the wife and I will be going to the Keys. The weather does not look very promising, windy and cloudy which is bad for snorkeling and underwater photography. I just want to pick up some CUC because I lost some when I did a rebuild of my 40g breeder aio (no fish) tank. My snails didn't do so well, but my Black Widow Bubble Tip anemones are doing great! I started with one 30 months ago. Since then I've sold 4 and currently have 9 in the tank!

Updates from the Keys next week.
 
Next week the wife and I will be going to the Keys. The weather does not look very promising, windy and cloudy which is bad for snorkeling and underwater photography. I just want to pick up some CUC because I lost some when I did a rebuild of my 40g breeder aio (no fish) tank. My snails didn't do so well, but my Black Widow Bubble Tip anemones are doing great! I started with one 30 months ago. Since then I've sold 4 and currently have 9 in the tank!

Updates from the Keys next week.
Definitely provide an update, my family is camping at Bahia Honda next month for 9 days and we plan on making a trip to the Horseshoe towards the end to hopefully find some CUC.
 
Next week the wife and I will be going to the Keys. The weather does not look very promising, windy and cloudy which is bad for snorkeling and underwater photography. I just want to pick up some CUC because I lost some when I did a rebuild of my 40g breeder aio (no fish) tank. My snails didn't do so well, but my Black Widow Bubble Tip anemones are doing great! I started with one 30 months ago. Since then I've sold 4 and currently have 9 in the tank!

Updates from the Keys next week.

Oh man, I was just talking about Horseshoe with my fam this weekend.

Have fun.
 
Oct 7 2025 at the Horseshoe. It turned out to be a pretty nice day. Very light wind from the NE, so inside the Shoe was very calm. And there was way more sun than we expected. Weather forecasts had been looking kind of bleak.
We got there just before high Tide, and this was a kind tide due to the full moon and that it is currently closer to the Earth than normal. I took this before breakfast across the street from our motel.

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We were a bit shocked to see just how high the water was. It was a wet walk all the way from the parking lot to the rim of the Shoe. In places it was a foot deep! The entire rim of the Horseshoe was underwater!

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We snorkeled off to the left side because I've always found CUC out that way. I found the 10 Astrea snails I wanted, but Cerithes were much harder to find. I think I got 5 or 6. I found only 1 serpent star and 1 cucumber. I did see several rock boring urchins and only collected 1 small one. There were a lot of fish, but I don't want any in my tank.

Elaine did find one nice banded tulip.

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By the time we got out to the far end of the Horseshoe, there were some stormy looking build ups to our north. We decided to head back when Elaine saw a lightning flash. On our way back, the one rock that was tall enough to break the surface of the water was covered with birds.

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All things considered, we got in 90 minutes for snorkel time and I got almost all the CUC I wanted. I'd say the Horseshoe had far less livestock than it did when we were there in May. Only a few Emerald crabs and no Rock Flower anemones. So we headed back to the motel and as we were going over the Seven Mile Bridge, it started to rain lightly. It was just a small shower.

We'll see what the weather looks like tomorrow morning and if it's promising, we'll go to Bahia Honda State Park and snorkel.
 
Went fishing with the 6yo this morning. There was a negative tide due to post-cold front East winds. We saw a lot of stuff we don’t see much of the year. Interestingly, there is slightly less coral, but lots of gorgs. I have never seen gorgs at this spot before.

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I believe I will be getting those 3 small pink/purple/tan gorgs this week.
 

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