| Scuba Dive | Freedive Session | Date | Location | Site | Total Time | Max Depth | Descents | Boat | Notes |
| 135 | 2/1/2004 | Palos Verdes | Bluff Cove/Paddleboard Cove | ~45:00 | ~8 ft | ~20 | Thick seagrass; juvenile harbor seal | ||
| 136 | 2/7/2004 | Santa Cruz Island | Albert Anchorage | 32:00 | 12 ft | 26 | Conception | Schools of large opaleye, huge male sheephead, harbor seal | |
| 137 | 2/7/2004 | Santa Cruz Island | Albert Anchorage | 13:00 | 11 ft | 23 | Conception | Freedive scootering with Mako | |
| 138 | 2/7/2004 | Santa Cruz Island | Blue Banks | 28:00 | 17 ft | 34 | Conception | Portrait of scuba scooterer | |
| 139 | 2/21/2004 | San Clemente Island | Arch | 30:00 | 13 ft | 22 | Sundiver | Mild sinus block | |
| 140 | 2/21/2004 | San Clemente Island | Pyramid Head | 08:00 | 12 ft | 10 | Sundiver | Choppy conditions | |
| 23 | 3/9/2004 | Redondo Beach | Vets Park | 41:40 | 85 ft | Night dive; scorpionfish, baby horn sharks, tiny rays, squid eggs, cusk eels, baby octopus, sand dabs, sarcastic fringehead | |||
| 141 | 3/14/2004 | Redondo Beach | Topaz Street Jetty | ~30:00 | ~10 ft | ~10 | Freedive scootering with Mako | ||
| 24 | 3/28/2004 | Malibu | Escondido Creek | 37:40 | 32 ft | Poor vis | |||
| 142 | 4/2/2004 | St. John, U.S. Virgin Islands | Cinnamon Bay | ~30:00 | ~15 ft | ~15 | |||
| 143 | 4/3/2004 | St. John | Cinnamon Bay | ~40:00 | ~15 ft | ~20 | Balloonfish, squid, bar jacks, sea egg | ||
| 144 | 4/4/2004 | St. John | Salt Pond Bay | ~45:00 | ~25 ft | ~20 | Octopus, barracuda, stingray, turtles, flounders | ||
| 145 | 4/5/2004 | St. John | Hawksnest Bay | ~30:00 | ~15 ft | ~15 | Many stands of elkhorn coral | ||
| 146 | 4/6/2004 | St. John | Cinnamon Bay Cay | ~45:00 | ~15 ft | ~20 | Pair of large tarpon | ||
| 147 | 4/8/2004 | St. John | Waterlemon Cay | ~30:00 | ~15 ft | ~15 | Turtles, sharksuckers; strong current | ||
| 148 | 4/8/2004 | St. John | Cinnamon Bay | ~15:00 | ~10 ft | ~5 | Vis degraded | ||
| 149 | 4/9/2004 | British Virgin Islands | Virgin Gorda - The Baths | 13:00 | 15 ft | 14 | Heavy swell | ||
| 150 | 4/9/2004 | British Virgin Islands | Norman Island - The Caves | 44:00 | 24 ft | 38 | Limnos II | Moray eel | |
| 151 | 4/17/2004 | San Clemente Island | Outside Boilers | 17:00 | 16 ft | 12 | Great Escape | ||
| 152 | 4/17/2004 | San Clemente Island | Inside Boilers | 23:00 | 12 ft | 18 | Great Escape | Baby yellowtail? | |
| 25 | 4/17/2004 | San Clemente Island | Twin Caves | 53:20 | 52 ft | Great Escape | Great vis, beautiful wall dive | ||
| 153 | 4/25/2004 | Redondo Beach | Topaz Street Jetty | 22:00 | 10 ft | 25 | Poor vis | ||
| 154 | 5/15/2004 | Catalina Island | Eagle Reef | 34:00 | 18 ft | 21 | Island Time | Freedive scootering with new Apollo AV-1 | |
| 155 | 5/15/2004 | Catalina Island | Lulu's Reef | 1:01:00 | 14 ft | 56 | Island Time | Freedive scootering; juvenile ray | |
| 156 | 5/30/2004 | Newport Beach | Big Corona Breakwater | ~10:00 | ~10 ft | 4 | Extremely poor vis | ||
| 157 | 6/5/2004 | Catalina Island | Blue Caverns | 49:00 | 26 ft | 42 | Sundiver | Birthday trip; freedive scootering; large purple jellyfish | |
| 158 | 6/5/2004 | Catalina Island | Ship Rock | 22:00 | 16 ft | 19 | Sundiver | Kelp thicker than previous year | |
| 159 | 6/5/2004 | Catalina Island | Indian Rock | 27:00 | 32 ft | 25 | Sundiver | Freedive scootering; pair of bat rays | |
| 26 | 6/20/2004 | Palos Verdes | Old Marineland/Long Point | 56:40 | 57 ft | Big guitarfish in midwater | |||
| 27 | 6/27/2004 | Malibu | Leo Carrillo | 60:00 | 37 ft | Bat ray, many fish; swim at end under kelp canopy | |||
| 160 | 7/5/2004 | Crystal Cove State Park | Reef Point | 41:00 | 12 ft | 29 | Large ray midwater; juvenile leopard shark | ||
| 161 | 7/17/2004 | Laguna Beach | Shaw's Cove | ~5:00 | ~10 ft | 2 | Vis poor, aborted dive | ||
| 162 | 7/17/2004 | Laguna Beach | Picnic Beach | 58:00 | 14 ft | 30 | |||
| 28 | 7/25/2004 | Palos Verdes | Old Marineland/Long Point | 36:00 | 54 ft | Rough entry from rocks | |||
| 163 | 8/15/2004 | Catalina Island | Casino Point | 1:49:00 | 22 ft | 90 | Kelpfish, barracuda, huge baitfish school, diver groups | ||
| 29 | 8/28/2004 | Catalina Island | Land's End | 44:20 | 73 ft | Sundiver | Harbor seal, huge mackerel baitball | ||
| 30 | 8/28/2004 | Catalina Island | Eagle Rock Reef | 48:40 | 51 ft | Sundiver | Kelp sunray shots | ||
| 31 | 8/28/2004 | Catalina Island | 'The Slide' (between Land's End and Starlight) | 41:40 | 46 ft | Sundiver | Macro shots of gobys, eel | ||
| 32 | 9/1/2004 | Redondo Beach | Vets Park | 35:00 | 72 ft | Night dive; cusk eel, sheep crab, juv thornbacks, round rays, sarcastic fringehead, octopus, flatfish | |||
| 33 | 9/12/2004 | Crystal Cove State Park | Reef Point | 48:20 | 49 ft | Clouds of garibaldis and sheephead; sea lion, big cabezon, many painted greenlings | |||
| 34 | 9/12/2004 | Laguna Beach | Shaw's Cove | 1:02:20 | 48 ft | Visited 'Crevice' | |||
| 35 | 9/18/2004 | Palos Verdes | Old Marineland/Long Point | 52:40 | 67 ft | Huge yellowtail school | |||
| 36 | 9/23/2004 | Palos Verdes | Malaga Cove | 1:12:00 | 27 ft | Night dive; numerous lobster; green abalone, small jelly, halibut, octopus | |||
| 37 | 9/28/2004 | Palos Verdes | Malaga Cove | 1:08:00 | 34 ft | Night dive; many lobster, several octopus; green abalone, small jellies, cabezon, horn shark, ray, cusk eel | |||
| 38 | 10/24/2004 | Malibu | Escondido Creek | 1:02:40 | 37 ft | Giant black seabass, three pink abalones, halibut, barracuda school, large bait school, ray; dive-bombing pelicans, dolphins on surface | |||
| 39 | 10/24/2004 | Malibu | Corral Beach | 37:00 | 24 ft | Barracudas feeding on baitfish | |||
| 40 | 10/31/2004 | Malibu | Deer Creek | 59:00 | 44 ft | Bat ray, several lingcod, many rockfish, tiny Spanish shawls | |||
| 41 | 11/3/2004 | Malibu | Nicholas Canyon | 60:20 | 36 ft | Night dive; four shovelnosed guitarfish, horn shark, many box jellies, juvenile octopus, three sheep crabs, lobsters, baitfish drawn to lights | |||
| 164 | 11/7/2004 | Corona del Mar | Little Corona | 10:00 | ~10 ft | 12 | Aborted due to ~3-ft vis; small ray in shallows | ||
| 42 | 11/10/2004 | Redondo Beach | Vets Park | 46:40 | 89 ft | Night dive; cusk eels, scorpionfish, pipefish, sarcastic fringeheads, baby horn sharks, various crabs including sheep crabs, flatfish, white nudibranch, baby octopus, sanddollars | |||
| 43 | 11/27/2004 | Catalina Island | Ship Rock | 50:40 | 82 ft | Sundiver | Beautiful 80 ft+ vis; sea lion chasing bait school, large octopus, horn shark, rockfish, innumerable baby bluebanded gobies | ||
| 44 | 11/27/2004 | Catalina Island | Submarine Ride (e. of Arrow Point) | 52:40 | 41 ft | Sundiver | Visit to wreck of 31-ft Bertram powerboat sunk in high winds previous weekend | ||
| 45 | 11/27/2004 | Catalina Island | Little Geiger | 31:00 | 32 ft | Sundiver | |||
| 46 | 12/14/2004 | Redondo Beach | Vets Park | 38:20 | 85 ft | Night dive; a few isolated squid (one depositing an egg), juvenile thornback rays; several scorpionfish, sarcastic fringeheads, numerous swimming crabs mating; shrimp? | |||
| 47 | 12/30/2004 | San Diego | Yukon | 34:00 | 103 ft | Dive Bliss | No current, so-so vis; relatively warm (59 F); metridiums, fish schools, etc |