Open Sea is here to provide you with information needed to make your rib experience safer, richer and hussle free. Now you can explore the ultimate freedom of the deep blue sea filled with limitless opportunities for adventure and discoveries.


GAS Station

RIB Fuel Stations 

33 Pigon str., Kifissia, 14564
Telephone: +30 210 6241600
Fax: +30 210 6241609

(ALPHA) Marine Group
18 A. Papandreou Str., Glyfada,  16675
Telephone: +30 210 8983590
Fax: +30 210 8983115

Telephone: +30 210 5130333

Zorbalas- ATHENS
2 Riga Ferraiou str., Αττική, Kalamaki
Telephone: +30 210 9883421

Attica, Metamorphosis
Telephone: +30 210 2835251


Telephone: +30 22970 23453

Cyclades, Myconos
Telephone: +30 6944 336694

Cyclades, Tinos
Telephone: +30 22830 23488

Myloi, Isternia, Cyclades, Tinos
Telephone: +30 22830 31732

Cyclades, Tinos
Telephone: +30 22830 22685


Poros, Peloponnese
Telephone: +30 6944 751825

Poros, Peloponnese
Telephone: +30 22980 35248




HCG Tips-Guidelines

High Speed Boat Operator Obligations
Those handling high speed crafts must:

(a) prohibit boarding of persons who don’t know how to swim, of persons exposed to alcohol or toxic substances.
(b) prohibit boarding of more passengers than the boat’s maximum capacity
(c) prohibit passengers standing or sitting on the railing or tube
(d) handle the vessel with great care and avoid dangerous maneuvers.
(e) carry on board their  operator’s permit and boat’s license and  demonstrate them upon request of the Port Authorities.


Get informed by the Port Authority or by any available means  of the prevailing or predicted, according to the HNMS, weather conditions in the sea area you want to sail.

BEAR IN MIND that sometimes the weather may be worse than expected.
In case you realize this, postpone the trip.
Take a look at the sky. If the color is:
* Deep Blue – Sign that it will lift air.
* Slightly blue – Sign that the weather will be good and clear.
* Bright red – Sign that weather will worsen and there is a chance to rain.
* Are there scattered clouds in the sky? A sign of bad weather.

DO NOT  sail if you feel tired or have consumed alcohol.

Make sure you have more fuel than what you need for that trip.

REMEMBER to always carry your operator’s permit and boat’s  license.
Check for leakage. Is there water inboard?
Inform family and friends about your destination and the estimated return time.
Make sure you have your cell phone with you.
Did you consider that mobile phone communication in a state of emergency may be possible only for a minimum time or not at all?

CAUTION! Check that your ship’s telecoms are in good standing so that in case you need to seek assistance from the Unified Research and Rescue Coordination Center or the nearest Port Authority, directly or through OTE’s offshore stations.

Are there any other passengers? Do they know how to use the lifejackets  and safety equipment of your boat? If not, show them.

Do you know which supplies must be on your boat? We provide you with a list of supplies, that you have to check whether there are on boat and their condition.
Three hand fireworks/ flairs
A smoke agent
A portable CO2 extinguisher
A radio transistor.

Keep in mind that it is better for your safety to have the following supplies on board:
A circular buoy with a rope of at least 15 m
A flashlight
A counter pin
A bucket
A floating anchor
A First aid kit that has the necessary material.

Will you take your child with you? Make sure he/she is wearing a life jacket.
Do not allow more people on board than what your license permits.

CAUTION! Passengers must  know how to swimm

Are you aware of the marine area you want to navigate? Have you? DO NOT NEGLECT to check the area that you intend to sail. You must be informed for dangers that you may encounter in the specific area and study the nautical charts (identify possible dangerous spots, reefs, shipwrecks, shallows etc) prior departure. Understand the severe consequences a boat accident may have for you and your family.

In case you have rented a boat BE ADVISED that sailing is ONLY ALLOWED in daytime.

You may only approach the shore with a running motor in the following cases:
(a) from / to your berthing facilities (ports, marinas, shelters).
(b) from / to ramps where you lift and launch the boat, provided that
there are no swimmers closer than fifty (50) meters to your boat or that you are moving within a delimited channel extending over a hundred
(100 meters) following the slide to the open sea.
(c) from / to the beach, provided that:
(aa) you stay out of the indicated (yellow buoys) swimming area
(bb)you are moving within a delimited channel of ten (10) meters.
(cc) keep a distance of one hundred (100) meters away of the closest swimmer and move with a speed up to three (03) knots, or in the case of people swimming keep a low speed not exceeding one (01) knot, following a course of / to the open sea.


Obey the Safe Navigation and Collision Avoidance Rules and keep in mind the special conditions at sea and the dangers that ignorance and lack of experience may cause.
Do not approach swimmers, keep a safety distance of MORE than 200m. Do you like to sail near the coast? You may ONLY approach  areas where there are no swimmers and you while you maintain a LOWER speed five (05) knots.

Did you find during the voyage a yellow sign, marked with a yellow flag with a diagonal red line that includes the letters (Υ/Δ)?

CAUTION! This sign indicates the existence of fisherman diver at that point. Avoid him with increased caution and at a distance of at least one hundred and fifty (150) meters away.
Do not approach the wake of passing ships.
Do not allow people on board to move or sit on the railing while the boat is moving.
Do not perform dangerous handling or maneuvering.
Do you travel at night? Turn on the navigations lights.
Are you involved in an accident? Notify the Coast Guard and give them first aid.
Are you in danger? Notify immediately with the boat’s VHF or your cell phone nearby vessels, local Port Authorities, Central Coast Guard Offices, friends and family. Provide CLEARLY and ONLY the following information:
Personal data and a mobile phone
Boat name / port of registry
Nature of risk
Number of passengers
Your location (use your GPS and provide your accurate position)
Departure port
Your destination.

Does your cell phone has ‘no signal’? DO NOT PANIC. Call 112. This number is the European Emergency Number. Wherever you are, whether your mobile has – ‘signal’ or not, you can dial this number only in IMMEDIATELY DANGER. Depending on the nature of the risk you will immediately be connected with:
Police 100
EAWR 166
Fire Brigade 199
Coast Guard 108

DO NOT use this number, EXCEPT when in danger.
USE During the day smoke signal and flairs at night
Did the engine break down? Use the floating anchor.
You as well as the passenger should wear the lifejackets.
Man Overboard. Use the circular buoy immediately by holding the end of the attached rope and pull him on the boat. Watch out for the wind! Pull him from the leeward side of the boat.
In case of fire, use the fire extinguisher.
In case of an accident, hold on an overturned boat.




Legislation 11 basic information on marinas / ports

  1. Free of charge berthing is possible in public marinas.
  2. Entrance in public marinas is free of charge at no extra cost and without any notice.
  3. However there might be a minimum cost for overnight stay, which covers water and electricity consumption.
  4. While docking in a marina you might be approached by the marine authorized personnel. Ask them for more information
  5. There are special places for visitors in every marina. Contact the marina personnel to specify your mooring places. Public marinas do not have security.
  6. Before entering a private marina contact the Marina Traffic Office. Greek Marina contacts are available on the internet.



  1. A boat has full insurance coverage (theft, fire or damage) when birthed under the following conditions:
    i. The charterer is close to the boat and has it under his supervision.
    ii.The vessel is docked at a harbor or marina
  2. You may refuel during your stay in a marina.
  3. A list of gas stations in common destinations is provided by OPENSEA.
  4. Avoid the areas intended for fishing boats.
  5. Do not enter main ports

The Do's & Dont's


  1. Always wear the quick stop on hand while driving.
  2. Children up to 7 years old must wear a life jacket.
  3. Make sure you have enough fuel for the trip.
  4. Always put the anchor safety on when the boat is moving.
  5. Gather the ropes in board prior departure.
  6. Keep a 200m safety distance from swimmers.
  7. Approach the shore with minimum speed and maximum attention.
  8. Enter the marina with minimum 3kn speed.



  1. Never use the swim ladder when the engine is running.
  2. Never leave the steering wheel when engine is running
  3. DO not leave people standing while sailing.
  4. Avoid sailing at night.
  5. Never approach diver’s buoys.
  6. During the trip we check for floating objects, other boats or divers.

Boat Safety Tips

Safety rules

1) Embarkation & disembarkation only when boat is fully stoped
2) Start the engine only when at full control of the boat and seated
3) Make sure that you are aware of safety equipment’s location before departure
4) Always wear the Quick Stop Cord at hand or leg when cruising
5) Warm up the engine 5 minutes at start
6) Never use the swimming ladder when the engine is running
7) Attach the anchor to boat with safety-wire before departure
8) Trim the engine at lowest position to plan the boat
9) Use the trim switch in order to optimisize cruising and fuel consumption. Ask our crew for optimum trim instructions


10) Enter and exist the marina at 3 knots maximum
11) Use VHF channel 16 at emergency
12) Keep 200 meter safety distance from the last swimmer
13) Stay out of the buoys at restricted areas
14) Close the main power switch when leaving the boat
15) Turn the main power switch at combine only at emergency
16) Do not let the service batteries discharge below 10,5 V



Below you will find the most frequently asked questions we get from our clients regarding ribs’ functions and the pick-up & drop-off process

Is the rib equipped with an electronic navigation system and what does it include?
Our boats are equipped with positioning and tracking systems. They include an updated program of electronic mapping of Greek seas.

What equipment does the rib include?
Standard equipment :
GPS / plotter, Sounder system (optional), VHF, audio system
Back-up motor (optional), electric anchor winch (optional)
Sun deck
Fresh water tank with shower, ice cooler
Marine equipment, survival kit, tools

Does the rib have an electric anchor winch?
Ribs larger than 8m are equipped with an electric anchor winch.

How many fuel tanks are there?
1 to 3 tanks depending on the model and size of the rib.

What is the ribs’ sound system and is it compatible with a cell phone or a tablet?
Most ribs have a Bluetooth connection available. If not, there will be R / cd with USB and Jack to Jack cable.

What shipping equipment does the rib have?
Life jackets, lifebuoys, hook, ropes, 2nd anchor, lateral balloons, Bengal-Tobacco (depending on category), pharmacy, torch, tools.

Is the equipment complete?
Yes they are fully equipped with all necessary shipping equipment as defined by the Greek legislation and the Classification Society.

Are the ribs equipped with all rescue & survival accessories?
Yes they are fully equipped with all necessary shipping equipment as defined by the Greek legislation and the Classification Society.

Is there a back-up engine?
Ribs with one main engine include spare engines which need an extremely simple starting procedure.

What happens if something goes off while on board?
In case of any malfunction or breakdown, contact us immediately at one of the numbers we gave you before departing. Usually a direct solution is given following simple instructions over the phone and the problem is restored.
In case of a breakdown, we provide an immediate solution through an organized network of external partners available throughout Greece.

Is there a sun tent (bimini)?
All ribs are equipped with sun tents (bimini).

Is there a fridge?
There is no electric fridge. The ribs are equipped with an igloo (ice cooler). Ice is offered free of charge upon departure.

Where do we pick-up the rib from? Can we choose to pick-up a rib from a different spot?
Ribs’ pick-up spot is our headquarters in Anavyssos. If required we can deliver a boat to any destination with a respective charge.

DO we pick-up the Rib full fuel?
Ribs are always full fuel at pick-up.

How do you refuel at drop – off?
The refueling is done with a tank at our premises in the presence of the customer.

Which documents do we need to bring and what do we sign at pick-up?
Identity or passport
High Speed ​​Operator License
Credit card
A charterparty is signed on departure and a charterer’s credit card is charged.

Is there a guarantee for the rib’s rental? Can I rent it without paying for a guarantee?
A warranty of 1000€ to 2500€ is available for chartering depending on the type of boat. The amount is charged at the charterer’s credit card.

What license do I need to rent a rib? Do I need one or multiple licenses?
One high-speed craft operator license is required. All licenses for high speed crafts provided by internationally recognized authorities are appropriate. Official translation into English or French is required.

How and when do we pay for the rib?
The fare is paid before the rib departs. Payment is made either by cash or by credit card or by bank transfer.

What kind of insurance coverage do we get?
The ribs are covered by insurance company; third party liability and own damages are included. However there is a deductible that is on the charterer’s account in case of damage.

Do we need to pre-pay to book the rib? What happens in case of bad weather?
In order to book a 40% down payment is required. In case of bad weather condition on the day of the charter we may postpone the charter on another date.
Please refer to the company’s cancellation policy.


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