A powerboat securely moored to a new Helix-type mooring ball in the harbor of Charlotte Amalie, St Thomas.
A glimpse of sustainable marine infrastructure: A powerboat embraces the new Helix-type mooring system in the serene waters of Charlotte Amalie Harbor, St Thomas-Phil-Blake

Essential Guide to Using Mooring Buoys for Safe and Stress-Free Chartering in the Caribbean

Learn how to secure your boat to mooring buoys effectively and safely while chartering in the Caribbean. Discover tips on avoiding anchor drag, ensuring mooring integrity, and understanding mooring fees.

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Introduction to Mooring Buoys in the Caribbean

Editor’s note: This is the first in a new series for people considering chartering a boat in the Caribbean. Send your suggestions and questions about chartering to: [email protected]. This month: Worried about your anchor dragging overnight in unfamiliar waters? One simple solution: look for mooring buoys.

We have been sailing and chartering for over 20 years and welcome the sight of an available mooring buoy; we can anchor if we have to, of course, but prefer the convenience and assurance that our boat will stay where we put it and not collide with neighboring boats that are also on buoys.  

How to Pick Up a Mooring Buoy

Preparation and Approach

To pick up a buoy, begin by shortening the painter on the dinghy and watching it so that it won’t get fouled in the propeller. Send one of your crew to the bow with an extended boat hook. The helmsman and this person should have some pre-determined hand signals about forward, reverse, neutral, and “on the hook.” (Shouting only gives other boaters more entertainment.)

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Securing the Boat to the Buoy

As you come into the anchorage, note the direction of the bows of the other boats since this is the direction from which you should approach the ball. Do so under very low speed with the bow person pointing at the ball. Agree to a planned side to pick up the ball—but those on the bow should be ready to adjust quickly as needed. Come up to the ball, shifting gears slowly through neutral to reverse to stop the boat, and then return to neutral.

Meanwhile, the person on the bow leans over the lifeline and grabs the pennant, sliding the boat hook up the line until it can be caught in the hand. Pass the pennant line under the lifeline. If there is a permanent loop, secure it over the cleat and you’re done. If the end of the pennant has a hard plastic loop (less chafing), you need to be prepared with a bow line that has been secured on one cleat so that the bitter end can be passed through the plastic eye, around the bow of the boat, under the lifeline, and secured to the opposite side cleat to create a “V” bridle off the bow towards the ball.

Alternative Attachment Methods

An alternative attachment approach is to run a separate line under the lifeline from each side of the hull from the cleat, through the pennant hole, and back to the cleat on the same side of the boat. Alan Mallory, Commodore of the St. Croix Yacht Club, US Virgin Islands, and charter captain on the catamaran Kindred Spirit, notes that catamarans should always use port and starboard lines to the mooring, and “be very aware not to significantly extend the length of the pennant with your bow lines! This increases your swing radius to a point where you may contact nearby boats. Midnight acquaintances rarely respect you in the morning!”

Final Checks

Keep the engine in neutral for a few minutes and watch your surroundings to be sure you are secured, just as you would do with anchoring. Remember, too, that once the boat is secured in some way, you have time to tweak the lines. Do not attempt to hold onto the pennant and be pulled overboard if your boat is not adequately stopped or you cannot safely secure it. Just try again!

A catamaran moored to a new Helix-type mooring ball in a picturesque harbor off of St. Thomas.
Embracing Tranquility: A catamaran nestled against the new Helix-type mooring system in the serene harbor off of St. Thomas. Credit-Steve-McCauley

Releasing the Mooring Buoy

Preparation to Leave

To drop the buoy when you are leaving, shorten the dinghy painter and don’t foul it, as you will be initially going in reverse. Point the boat into the wind and drift back, using the engine in reverse only as needed to travel away from the ball.

Releasing the Pennant

Have someone on the bow let the ball off the line or just free the permanent loop and point out where the released ball is so that the helmsman knows where not to steer. The bow person signals “all free” to the helmsman when the full pennant is clear of the boat.

Safety Tips

A primary safety issue after properly securing the mooring ball relates to the integrity of the lines used in that process. Both the pennant and your lines should be reasonably free of fraying or cuts, which make them vulnerable to not holding.

Understanding Mooring Systems

How Do Mooring Buoys Hold Boats?

Several factors relate to properly functioning mooring systems: boat length, anchor weight, length and diameter of the chains, length and diameter of the pennant (part you pick up and connect to), and water depth. Buoys transmit the strain of the boat’s activity through the ball, with the lower part of the mooring system holding the boat vertically and the pennant holding the boat horizontally. In most instances, the wind is sufficient so that all boats on the moorings point into the wind and therefore swing in the same general pattern, each within the limited maximum excursion allowed by the system. In effect, there is an invisible circle around each boat with safe spacing no matter which direction the boat is in at the time.—F. & D. Welk

Are Mooring Buoys Free?

Mooring Fees

Mooring buoys for public use are found in cruising locations throughout the Caribbean, installed and maintained by local authorities or private entities to make money, protect vulnerable reefs, and encourage tourism by boaters. Check to be sure overnight mooring is allowed—some are for day use only. Though some places have a few free moorings, per-night fees usually range from US$10 to $25—less expensive than a marina, but more than a (free) anchorage.

Payment Considerations

A fee collector may come to your boat or you may pay ashore—if in doubt, ask other boaters in the mooring field what to expect. And watch out for unauthorized “entrepreneurs” who may attempt to pocket your fee. In popular areas during peak charter months, plan to arrive at your destination by early or mid-afternoon before all the moorings have been claimed.—Editor

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Fran and Dee Welk are longtime boat owners and charterers who divide their time each year between Bloomsburg, Pennsylvania, and St. Croix, USVI.

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