Scuba Diving at Rafti Island

Diving atRafti Island (Greece)

Rafti Island itself forms a striking visual element within Porto Rafti's bay, yet its full appeal lies in the contrast between its visible profile and what awaits below. As the largest island here, it serves as a prominent landmark. Beneath the surface, however, divers discover an intriguing dichotomy of accessible shallow caverns and points that descend into deeper ocean environments. This site balances visible familiarity with concealed aquatic diversity.

Tonight's objective overview for Rafti Island shows an air temperature of 23.5°C. The measured surface conditions include wave heights around 0.6 m. This environmental data is logged for the close of the day.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Max Depth--
Entry Type--
Water Type--
Dive Types
Cave

Dive Site Overview

Underwater, Rafti Island's topography presents divers with a varied landscape. Positioned as the largest island in Porto Rafti's bay, its western shoreline offers direct access to both expansive deep waters and a significant shallow cavern system.

This dive site caters to differing interests, whether exploring the cavern's formations or venturing into the deeper sections where the seabed drops off. While specific depth measurements for Rafti Island aren't consistently reported, the area's designation for "deep waters" suggests substantial vertical exploration opportunities. For the broader Porto Rafti area, other dive sites include shipwrecks, vibrant reefs displaying rich colors, and fascinating walls adorned with corals, indicating a diverse regional underwater environment.

Water temperatures for Rafti Island aren't consistently reported in available data, but the general Mediterranean climate suggests warmer conditions in summer. Visibility in the region is generally excellent, especially during the peak diving season.

Rafti Island

Conditions are Excellent

9/10
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
23° / 23°
Wave Height
0.4 m
Wind Speed
21 km/h N
Rain Chance
0%

Current conditions near Rafti Island show 23° air, 23° sea temperature, 0.4 m waves, and 21 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 13, 2026, 11:58 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Optimizing for visibility is often a primary concern for divers, and Rafti Island delivers its best conditions from May to October. This period consistently offers generally excellent underwater clarity, enhancing the exploration of its caverns and deeper areas. During these months, air temperatures are notably pleasant, ranging from approximately 19°C (66°F) in May, soaring to around 29°C (84°F) in July, and remaining warm through October at about 20°C (68°F). Rainfall is minimal, with July and August seeing less than 1 mm (0.04 inches) on average. Dive scores reflect these favorable conditions, consistently rating as "Excellent" from May through July and "Good" into October. The typically calm surface conditions, with average wave heights often below 0.6 meters (2 feet), further contribute to accessible diving.

PEAK SEASON SCORE

86/100
Very Good

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


BEST MONTHS TO DIVE

JUN
JUL
SEP
DIVE SCORE
(0–100)
67
JAN
69
FEB
77
MAR
80
APR
85
MAY
87
JUN
86
JUL
83
AUG
86
SEP
84
OCT
74
NOV
73
DEC
AIR TEMP (°C)
11
11
13
16
19
26
29
28
24
20
17
13
WAVES (M)
0.9
0.8
0.6
0.6
0.5
0.5
0.5
0.6
0.5
0.6
0.8
0.7
WIND (KM/H)
24
23
21
22
22
25
26
27
24
21
23
22
RAIN (MM)
2.4
2.3
1.4
1.6
1.1
0.6
0.3
0.2
0.5
1.1
1.8
3.5
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

Exploring Rafti Island provides a diverse depth profile, accommodating various skill levels. Its western shoreline uniquely features both a large shallow cavern, suitable for less experienced divers or those focusing on cavern penetration, and sections that descend into deep waters. This allows for introductory dives in calm, sheltered areas for beginners, as well as more challenging explorations for advanced divers. While site-specific water temperatures are not consistently reported, the broader region typically experiences warm conditions during summer, often ranging 22-27°C (72-81°F), though this can vary. Throughout the peak season, divers can anticipate generally excellent visibility, often exceeding 20 meters (65 feet), which significantly enhances the appreciation of the underwater structures.

Dive Difficulty & Safety Guidelines

When diving at Rafti Island, prudent planning is essential, particularly given the presence of cavern systems and deep water access. While no specific inherent hazards are consistently reported for this site, divers should always prioritize a thorough pre-dive check and adherence to safe diving practices. Local dive operators in Porto Rafti emphasize diver comfort and safety, and seeking their guidance is advisable for current conditions. For those exploring the cavern, appropriate training and experience are necessary. The minimum age for scuba diving in the Porto Rafti area is typically 10 or 12 years old, depending on the activity and operator policy. Always dive within your certification limits and with a reliable buddy or guide.

Recommended Equipment

Overhead environment. Do not enter beyond training and gas planning limits.

  • Dive Computer
  • Primary & Backup Lights
  • Reel / Spool
  • Cutting Tool

This gear list is based on verified equipment signals for Rafti Island, Greece. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

3-5mm wetsuit is often considered an appropriate level of exposure protection for conditions like these.

Current readings at Rafti Island show water temperatures near 23°C (73°F). Surface air temperatures are resting at 23°C (74°F).

Environmental models indicate a modest warming trend ahead. A warming trend is expected over the next few days.

Rafti Island conditions last reviewed: 11:58 local time (UTC+2), Jun 13, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to Rafti Island.

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 Europe.

+39 0642115685
  • 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.

Closest Listed Hyperbaric Chambers

Showing listed hyperbaric chamber facilities within 200 km of this dive site. Distances are approximate straight-line distances and may not reflect emergency travel time.

+

YKIA

Athens, Greece•Approx. 27 km straight-line
Facility Details
Operating Hours
Not listed
ICU Capable
No
Chamber Type
Multi
Multi chamber facility
Facility / Hospital
Metropolitan Hospital
Emergency Phone
12:00 - 20:00
24/7 Emergency Contact
24/7 Listed
No

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET

MKYI/NNA (DHDM/ANH)

24/7 ListedICU Capable
Athens, Greece•Approx. 28 km straight-line
Facility Details
Operating Hours
Not listed
ICU Capable
Yes
Fully equipped ICU on-site
Chamber Type
Multi
Multi chamber facility
Facility / Hospital
Athens Naval Hospital
Emergency Phone
07:00 - 15:00
24/7 Emergency Contact
24/7 Listed
Yes
Listed as 24/7 available facility

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET

KYI

Athens, Greece•Approx. 32 km straight-line
Facility Details
Operating Hours
Not listed
ICU Capable
No
Chamber Type
Multi
Multi chamber facility
Facility / Hospital
Not listed
Emergency Phone
11:00 - 20:00
24/7 Emergency Contact
24/7 Listed
No

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET
Chamber data is sourced from self-reported EUBS/OXYNET listings and has not been independently verified by Dive Navigator. Always contact local emergency services, DAN, your dive operator, or the facility directly before travelling.
View all in Greece

Marine Life at Rafti Island

The underwater landscape around Rafti Island provides habitats for various marine species, particularly within its cavern and deeper rock formations. While specific species population data for Rafti Island is limited, the broader Porto Rafti area is described as having reefs with rich colors and fascinating walls decorated with corals, implying a healthy ecosystem. Reports mention occasional sightings of larger pelagic species such as sharks, whales, dolphins, and turtles in the wider Saronic Gulf, though these are not guaranteed on every dive. Smaller reef fish, crustaceans, and various invertebrates are more commonly observed, integrating seamlessly with the cave's crevices and deeper rocky slopes.

Dive Centers Near Rafti Island

Diveness
15.8 km away

Diveness

5| 546 reviews
Today: 09:00 - 21:00
Sun09:00 - 21:00
Mon09:00 - 15:30
Tue09:00 - 15:30
Wed09:00 - 15:30
Thu09:00 - 15:30
Fri09:00 - 15:30
Sat09:00 - 21:00
Seahorse Dive Center

Seahorse Dive Center

5| 614 reviews
22 km
Aqualized Dive Adventures

Aqualized Dive Adventures

5| 240 reviews
19.6 km
Deep Blue Diving Club

Deep Blue Diving Club

5| 113 reviews
17.8 km
Kanelakis Diving Experiences

Kanelakis Diving Experiences

24.3 km 5· 219 reviews
Scubalife Dive Center

Scubalife Dive Center

20.5 km 5· 88 reviews
Amphibious Diving Center

Amphibious Diving Center

25.6 km 4.9· 403 reviews
Cool Experience Dive Center

Cool Experience Dive Center

28.3 km 4.7· 174 reviews

Nearest Airports

Nearest airports to help plan travel to this dive area.

Athens Eleftherios Venizelos International AirportATH
11 km
Mykonos Island National AirportJMK
125 km
Skiathos Island National AirportJSI
151 km
💵Currency:EUR

Search Flights

Check available flights and routes on Expedia, using the nearby airports listed in this section.

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Frequently Asked Questions

What types of diving are available at Rafti Island?

Rafti Island primarily offers cave diving within its large shallow cavern and opportunities to explore deep waters along its western shoreline. The surrounding Porto Rafti area also features shipwrecks, reefs, and wall dives.

What is the best time of year to dive Rafti Island?

The best season for scuba diving at Rafti Island is from May to October. During these months, water temperatures are generally warmer, and visibility is typically excellent, making for optimal dive conditions.

Is Rafti Island suitable for beginner divers?

Yes, many scuba diving experiences in Porto Rafti, including those near Rafti Island, are accessible to beginners. Local instructors offer introductory dives and training, often utilizing calm, sheltered waters or the shallower parts of the cavern.

What are the typical water temperatures?

Site-specific water temperatures for Rafti Island are not consistently reported. However, the broader Greek region experiences warm water conditions during summer, often ranging 22-27°C (72-81°F), though this can vary.

Do I need to bring my own dive equipment?

All essential scuba diving equipment is typically provided by local dive professionals in Porto Rafti. It's advisable to check with your specific activity provider for details on what is included.

What marine life might I see?

Divers may observe smaller reef fish, crustaceans, and various invertebrates within the cavern and around deeper rock formations. While less common, reports in the wider Saronic Gulf mention occasional sightings of larger species like sharks, dolphins, and turtles.

What is the minimum age for diving in this area?

The minimum age for scuba diving activities in the Porto Rafti area is usually 10 or 12 years old. This can depend on the specific dive activity and the policy of the guiding operator.

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