Greencastle Shore

★★★★★ (473)

This is a sheltered training site easily accessible from the shore. A sandy intertidal area leads to a rocky outcropping covered in seaweed and kelp.

This site is teeming with crustaceans such as shore crabs and lobsters. Catsharks and wrasse are also commonly seen.

Dive Activity

Courses and Events

Advanced Open Water Diver

Advanced Open Water Diver

Your Open Water certification taught you how to dive. The Advanced course teaches you how to dive well.Designed to build your confidence and expand your underwater capabilities, this course is entirely hands-on. There are no heavy classroom sessions, endless quizzes, or pool drills—just five specialized open-water dives that introduce you to new environments, greater depths, and advanced techniques under the direct guidance of our expert instructors.Whether you are looking to unlock deeper wreck sites, master your trim, or feel more comfortable in dynamic UK conditions, this course is your gateway to elite recreational diving.What You Will ExperienceYou will complete five distinct training dives, logging real underwater time while mastering new skill sets.The Core Foundation (Mandatory):Deep Diving: Safely plan and execute a dive beyond your 18m Open Water limit, unlocking access to deeper wrecks and reefs (up to 30m).Underwater Navigation: Stop relying solely on the dive guide. Learn advanced compass skills, natural navigation, and distance estimation to always know exactly where you are.Your Chosen Specialties (Choose 3): Customize the rest of your course to fit your specific diving goals. Popular choices include:Perfect Buoyancy: Dial in your weighting, master your trim, and drop your air consumption.Wreck Diving: Learn the protocols for safely navigating and mapping sunken vessels.Night & Limited Visibility: Discover how the underwater world transforms after dark and learn specialized communication and light-handling skills.Drysuit Diving: (Highly recommended for our waters) Stay warm and extend your diving season year-round.

June 13, 2026
$610.09
£450.00

Potential Wildlife Sightings

Wildlife Sightings are Based on User Generated Content

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 600

Wrasse

Wrasse

56 Sightings
J
0
F
0
M
0
A
3
M
2
J
13
J
8
A
18
S
10
O
0
N
2
D
0

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 7000

Crab

Crab

245 Sightings
J
1
F
2
M
2
A
32
M
20
J
60
J
30
A
73
S
18
O
3
N
4
D
0

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 55

Lobster

Lobster

93 Sightings
J
0
F
0
M
0
A
3
M
3
J
21
J
18
A
33
S
12
O
0
N
3
D
0

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 130

Pipefish

Pipefish

60 Sightings
J
0
F
0
M
0
A
4
M
3
J
17
J
11
A
19
S
6
O
0
N
0
D
0
Lion’s Mane Jellyfish

Lion’s Mane Jellyfish

28 Sightings
J
0
F
0
M
0
A
0
M
0
J
0
J
6
A
18
S
4
O
0
N
0
D
0

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 3400

Shrimp

Shrimp

23 Sightings
J
0
F
0
M
0
A
4
M
0
J
7
J
4
A
8
S
0
O
0
N
0
D
0

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 30

Sand Eel

Sand Eel

20 Sightings
J
0
F
0
M
0
A
0
M
0
J
0
J
4
A
11
S
4
O
0
N
1
D
0

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 125

Gurnards

Gurnards

15 Sightings
J
1
F
0
M
0
A
0
M
0
J
6
J
0
A
8
S
0
O
0
N
0
D
0

Dive Centers Catering This Dive Site

Dive Sites Nearby