Marinas we dive
Clearwater Harbor Marina, and the water it lives in.
Named 1841Clearwater HarborPinellas
Marinas we dive
The water
The harbour is a narrow intracoastal reach running between two passes, and that geometry is the whole story. It is neither as still as a back canal nor as aggressive as the open bay.
Its name is older than the county. Fort Harrison opened here in 1841; the first public school in Pinellas followed in 1855 on land donated by John Taylor, the ground Clearwater High School still occupies.
Position within the reach matters more than owners expect. Nearer a pass means more flow, cooler water and a slower set.
1.9 miles from Clearwater Pass is close enough that the season does most of the forecasting for you. Predictable water is the easiest kind to schedule around.
Clearwater Harbor Marina, ClearwaterClearwater Harbor Marina lies about 1.9 miles from Clearwater Pass, with Dunedin Pass roughly 3.9 miles off. It is close enough to the inlet to feel it, and that distance is the single best predictor of how fast a hull fouls here.
Close to a pass, tidal exchange still reaches the berth but has lost some of its force. Growth is mixed rather than dominated by one thing, and it follows the season more predictably than water further in.
A private marina with a settled fleet gives us the most useful thing possible: the same hulls over time, so the cadence gets sharper with every visit.
Timeline
The first permanent European settler on the peninsula establishes a farm across at Old Tampa Bay.
The army opens a post on Clear Water Harbor as a rest station for soldiers from Fort Brooke. The harbor gets its name on the maps.
A Category 4 hurricane floods the peninsula, destroys the Egmont Key lighthouse and cuts John's Pass to the south.
The county's first public school opens on land donated by John Taylor — the site of Clearwater High School today.
Clear Water Harbor becomes the first established community on the Pinellas peninsula and gets the first post office.
Streetcar lines knit the peninsula's waterfronts together and beach excursion traffic takes off.
Bridging to the barrier island turns a working harbor into a beach destination.
City-run dockage on a harbor named by the army before Florida had railroads.
Things worth knowing
Distance to the nearest inlet is the strongest single predictor of fouling rate. At 1.9 miles from Clearwater Pass, with Dunedin Pass a further 3.9 miles off, this berth sits well within reach of it.
On Clearwater Harbor. Clearwater, on Clearwater Harbor, 1.9 miles inside Clearwater Pass — well within our regular run.
Growth in Pinellas is not linear, and at 1.9 miles in the seasonal swing is pronounced but predictable. A cadence set for August will be wrong in January.
Bare metal fouls faster than painted surface everywhere on this coast, and in moving water it is relentless. Props, shafts and struts usually signal the timing before the paint does.
Manatees, dolphins and grass beds share Clearwater Harbor. Method matters as much as schedule — media matched to the paint, and nothing scoured into the bottom.
With 175 reviews it is one of the quieter entries on our list — smaller fleets tend to mean more stable, more predictable fouling.
From the diver
Harbor water moves with the passes, so it is neither as still as a back canal nor as aggressive as the open bay. Growth is moderate and, usefully, predictable.
Position within the harbor matters. Closer to a pass means more flow, cooler water and a slower set; back toward the flats means warmer and faster.
Predictable water is the easiest kind to schedule around. A fixed cadence works well here — the season does most of the forecasting for you.
Gallery
We dive Clearwater Harbor and know how it behaves through the season. Tell us the boat and the slip and we'll send a number and a cadence that fits the water it actually sits in.