Overview of Castle Rock

Castle Rock

USA East


Yikes!!! When we came across this site, it looked like it would be suicide to enter the water! But this was just after a storm, and it was actually a lot fun watching the huge waves crashing upon the shore. Great place for storm watching! On a calm day, we are told the entry is very easy off a small sandy beach. With depths of 30 feet, you'll find a good variety of sea life within the kelp beds and rocks.

Directions: Coming from Boston, take 1A North, and turn right on 129 in Swampscott. In 4 miles, turn right onto Beach Street, which then becomes Ocean Ave. If coming from Salem, take 114 South for 3.4 miles. Turn right on Ocean Ave. Head across the Marblehead Neck. At the fork with Harbor Ave., stay on Ocean Ave. The site is 1.25 miles from that fork.


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Dive Site Links:   (If you have a relevant link for Castle Rock, please write us here.)
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Diver Reviews:    Click here to write a Site Review, and share any new information about this site!

07/25/2008 Scott McQuade (Avg: 3.18 Review) - My buddy and I are new divers (about 12 dives). We had been diving in Nahant but wanted to try another close location. Shore entry is limited to about 20 feet of rocky beach…beyond that are huge rocks to the left and right. We thought the current was pretty strong… Make sure you are diving with a compass because it is easy to end up a ways away from were you entered…and that part of the beach is the only way out!!! Lobsters were everywhere…not even hiding. The rocks underwater are awesome! We will dive there again.

07/27/2006 Bob Foudriat (Avg: 3.15 Review) - This is a good diving site. You don't expect to find this site among the beautiful homes in the area. There are seats to sit in to dress. Getting down to the water was challenging but the entry was easy. Overall a great diving location.

07/25/2006 Bob Foudriat (Avg: 3.65 Review) - Good site for beginner divers. I brought my son who is just that. It's a great site with easy access. We parked on the street brought our stuff down in a container.


Site Photos

(click photo for a larger version)

 Map     Sat
GPS: MS1801


Parking at Castle Rock 

Road side parking is just to left of this magnificent 'Castle'.

Trail Head

 Map     Sat
GPS: MS1802


Trail Head at Castle Rock 

It's just a short walk from this entrance to the shore.




Overview at Castle Rock 

This is the park, with the dive area to the left.




Overview at Castle Rock 

Your non-divers can sit here and watch you get bashed up onto the rocks by the surf, unless, of course, you decide to dive on a calm day.


 Map     Sat
GPS: MS1805


entry at Castle Rock 

The beach is barely visible between breakers. Enjoy!

Last Verification: November, 2003  


Diver Averages for  Castle Rock  (1=worst, 5=best)

Average Site Condition

Ease of Shore Entry:  3.33
Bottom Conditions:  3.33
Reef Conditions:  3.67
Animal Life:  3.33
Plant Life:  3.33
Facilities:  2.67
Solitude 2.67
Roads:  4.00
*Site Average:  3.33

Average Enjoyment Level

Snorkel:  2.67
Beginner Scuba:  4.33
Intermediate Scuba:  4.00
Advanced Scuba:  3.00
Night diving Scuba:  3.00

Number of reviews for this site: 3


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