Scuba Diving at Rube Allyn Reef Site 8(2)

Diving atRube Allyn Reef Site 8(2) (United States)

Descending into the Gulf's embrace, Rube Allyn Reef unfolds as a constructed underwater landscape. This site, located 9.5 nautical miles at 259 degrees from Clearwater Pass Entrance Marker, offers divers a unique topography formed by extensive concrete material. Exploring its varied structures provides a distinct dive sequence, inviting methodical observation of a deliberate habitat.

Current morning readings from Rube Allyn Reef Site 8(2) indicate an air temperature of 28.5°C. Surface wave heights are averaging around 0.3 m at this time. These local measurements provide a baseline for your daily dive planning.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

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Water Typesalt
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Dive Site Overview

Rube Allyn Reef was deliberately established as an extensive artificial reef site in Pinellas County, beginning its development in May 2011 with over 1,000 tons of secondary use concrete material. This structured environment comprises a diverse collection of components, thoughtfully arranged to create complex underwater terrain.

Among its key features are 280 concrete culverts of various diameters, strategically placed to offer numerous nooks and crannies that serve as shelter for smaller marine life. Adding significant vertical dimension, 40 concrete power poles, which range from 6 m to 14 m (20 ft to 45 ft) in length, rise robustly from the sandy seafloor.

The reef further integrates 260 concrete slabs of various sizes, alongside 24 concrete junction boxes and 170 concrete pilings, some extending up to 12 m (40 ft) long. Many individual pieces within this intricate layout can weigh up to 5 tons, anchoring the structures firmly.

These intentionally placed components form a substantial artificial habitat designed to attract and sustain diverse marine ecosystems within typical recreational diving depths. Exploring its varied architecture allows divers to navigate through distinct zones, from sheltered tunnels to exposed vertical columns.

Rube Allyn Reef Site 8(2)

Conditions are Good

8/10
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
28° / 29°
Wave Height
0.4 m
Wind Speed
21 km/h W
Rain Chance
50%

Current conditions near Rube Allyn Reef Site 8(2) show 28° air, 29° 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, 22:22 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Optimizing visibility for a dive at Rube Allyn Reef often involves careful seasonal planning. During the spring and fall months, from February through May and September through November, air temperatures are generally comfortable, ranging from 16-25.5°C (61-78°F), and wave heights are moderate, typically around 0.6-0.9 m (2-3 ft). Rainfall during these periods remains relatively low, which can contribute to clearer Gulf waters. Summer months, while offering warmer air temperatures peaking around 29°C (84°F), also bring increased rain and calmest wave conditions averaging 0.5-0.7 m (1.5-2.3 ft). Stronger seabreezes are commonly reported in the afternoon, especially when Gulf temperatures are cooler, suggesting dives are best completed by 2 pm to avoid bumpy surface conditions.

PEAK SEASON SCORE

83/100
Very Good

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


BEST MONTHS TO DIVE

MAY
JUN
JUL
DIVE SCORE
(0–100)
61
JAN
69
FEB
72
MAR
74
APR
82
MAY
80
JUN
88
JUL
76
AUG
80
SEP
71
OCT
76
NOV
69
DEC
AIR TEMP (°C)
15
16
19
22
25
27
29
29
27
24
21
18
WAVES (M)
1.1
0.9
0.9
0.8
0.6
0.7
0.5
0.7
0.6
0.9
0.8
0.9
WIND (KM/H)
33
28
29
31
26
26
21
27
27
33
29
30
RAIN (MM)
2.1
2.4
2.0
1.3
2.2
4.0
3.5
8.0
3.4
3.2
1.0
2.1
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

Approaching Rube Allyn Reef by boat from locations like Ft. Desoto or Maximo Park can involve navigating offshore conditions. The open Gulf can present variable surface chop, particularly in the afternoons when the seabreeze picks up, with wind speeds often around 26-33 km/h (16-20 mph). Under the surface, the artificial reef structure offers a varied sensory experience, a stark contrast to natural formations. Visibility at similar nearby artificial reef sites can range from 1.5 m to 4.5 m (5 ft to 15 ft), though this can fluctuate significantly with currents, recent weather, and tidal cycles. Divers can expect to explore an array of concrete structures providing shelter for marine inhabitants. The water temperature is not consistently reported but generally follows Gulf seasonal patterns.

Dive Difficulty & Safety Guidelines

Diving at Rube Allyn Reef necessitates self-sufficient offshore boat operations, as it lies 9.5 nautical miles from Clearwater Pass. Mariners should be prepared for varying sea conditions, particularly afternoon chop, and plan their return to port accordingly. It's crucial for divers to assess their experience levels and those of their buddies, ensuring the dive plan aligns with everyone's capabilities. Deploying a boat ladder before entering the water is a small but critical detail easily overlooked. Carrying a reliable communication device, such as a Spot Messenger, is a prudent safety measure for any offshore excursion in these waters.

Recommended Equipment

  • Dive Computer

This gear list is based on verified equipment signals for Rube Allyn Reef Site 8(2), United States. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

Forecast trends indicate little change in overall diving conditions during the next few days.

Divers who prefer a balanced level of warmth often select dive skin or rash guard in water temperatures like this.

Recent environmental data from Rube Allyn Reef Site 8(2) indicates water temperatures near 29°C (85°F). Surface air temperatures are resting at 28°C (83°F).

Rube Allyn Reef Site 8(2) conditions last reviewed: 22:22 local time (UTC-6), Jun 13, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to Rube Allyn Reef Site 8(2).

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 World.

+1-919-684-9111
  • 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.

Marine Life at Rube Allyn Reef Site 8(2)

The diverse concrete structures of Rube Allyn Reef create an inviting environment for various marine species. These artificial habitats often attract schooling fish that seek shelter and feeding opportunities. While specific sightings are not consistently reported for this exact site, similar artificial reefs in the Pinellas County area are known to host snapper and hogfish. Divers exploring the culverts and pilings may encounter juvenile fish and crustaceans utilizing the complex crevices for refuge, contributing to a developing ecosystem.

Dive Centers Near Rube Allyn Reef Site 8(2)

Narcosis, Inc.
36.1 km away

Narcosis, Inc.

4.5| 162 reviews
Today: Closed
SunClosed
Mon11:00 - 19:00
Tue11:00 - 19:00
Wed11:00 - 17:00
Thu11:00 - 19:00
Fri11:00 - 19:00
Sat10:00 - 17:00

Nearest Airports

Nearest airports to help plan travel to this dive area.

St. Petersburg Clearwater International AirportPIE
33 km
Tampa International AirportTPA
49 km
Sarasota Bradenton International AirportSRQ
75 km
💵Currency:USD

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Frequently Asked Questions

What kind of structures make up Rube Allyn Reef?

Rube Allyn Reef is an artificial reef constructed from over 1,000 tons of secondary use concrete materials. It includes concrete culverts, power poles, slabs, junction boxes, and pilings, all strategically placed to form a complex habitat.

How far offshore is Rube Allyn Reef?

This reef is located 9.5 nautical miles from the Clearwater Pass Entrance Marker. Its offshore position requires proper boat navigation and preparedness for Gulf conditions.

What is the typical visibility like at this site?

Visibility at artificial reefs in the St. Pete area, which includes Rube Allyn, typically ranges between 1.5 m to 4.5 m (5 ft to 15 ft). However, conditions can vary widely based on currents, tides, and recent weather.

Are there buoys at Rube Allyn Reef?

Yes, Rube Allyn is one of the artificial reefs in Pinellas County that is typically marked with buoys. This makes navigation and locating the site easier for boaters and divers.

What are the best launching points for Rube Allyn Reef?

Common launching points for accessing the Pinellas County artificial reefs include the public boat ramps at Maximo Park and Fort Desoto. Boaters should consider the offshore distance from their chosen ramp.

What marine life can be expected at Rube Allyn Reef?

While not explicitly detailed for Rube Allyn, artificial reefs in the region generally attract snapper and hogfish. Divers exploring the varied concrete structures may also observe various juvenile fish and crustaceans seeking shelter.

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