Sources · Destination Guide

Miura Peninsula and Sagami Coast

Rocky reefs, small marine life and coastal Japan within reach of Tokyo.

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Research Sources

Destination Guide Sources For Miura Peninsula and Sagami Coast

Reference links used to build and maintain this guide.

59 sources • Updated Nov 3, 2026

Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Nov 3, 2026.

JNTO: Kanagawa diving overview - Retrieved 2026-11-03. Regional macro-diving character and Hayama winter/spring wildlife. The erroneous Nebukawa text about Shiretoko was excluded.
Little Blue: 2026 seasonal activity calendar - Retrieved 2026-11-03. 2026 program calendar supports local seasonal supply; overseas excursions and winter Tokyo pool sessions are out of scope.
Miura Umi-no-Gakko: guided fun diving and refresher - Retrieved 2026-11-03. Guided shore/boat packages, posted prices, rental, certification and cold-season equipment. Rates checked on research date; reconfirm inclusions.
Diving Shop NANA: Hayama Shibasaki shore sites - Retrieved 2026-11-03. Shibasaki routes, depth ranges, rocky/tide-dependent approaches, training and nudibranch interest; no overhead-entry authorization.
Hayakawa Diving Service: access - Retrieved 2026-11-03. Local center directions from Hayakawa Station and Odawara; exact travel time depends on itinerary.
Diving Shop NANA: Hayama boat sites - Retrieved 2026-11-03. Nearby Hayama boat sites and depths, local crossing times and habitat; not inter-base transport.
Little Blue: skin-diving lessons and meeting arrangements - Retrieved 2026-11-03. Recreational skin-diving instruction, shallow introductory lessons and variable meeting points; distinct from offshore line training.
Little Blue: AIDA certification prerequisites - Retrieved 2026-11-03. AIDA course distinctions and AIDA2-or-higher regular-training pathway; confirm equivalent qualifications and screening.
Hayama Town: Shibasaki coast and surrounding waters - Retrieved 2026-11-03. Municipal natural-monument designation and no-collection rules for animals, plants and rocks. Standing guidance dated 2018, rechecked on research date.
Hayakawa Diving Service: October 29, 2026 operational log - Retrieved 2026-11-03. Dated operator notice: closed November 24-December 1, 2026 and December 31. Does not imply a coast-wide closure.
Little Blue: Hayama offshore freediving training - Retrieved 2026-11-03. May-November Hayama offshore program, dedicated training buoy, coaching, meeting point and weather alternatives; school describes town recognition.
Diving Shop NANA: guided diving participation and prices - Retrieved 2026-11-03. Current displayed Hayama scuba rates, participation documents and separately listed fishery contribution; rentals need confirmation.
Miura Umi-no-Gakko: Jogashima Kajinohama beach guide - Retrieved 2026-11-03. Jogashima shore training habitat and permitted entry. Breakwater-side entry is not authorized by this description.
Diving Shop NANA: the four seasons at Hayama - Retrieved 2026-11-03. Qualitative seasonal changes in visibility, seaweed, marine life and water warming; no measured monthly forecast or guarantee.
Miura Umi-no-Gakko: Miyagawa Bay point guide - Retrieved 2026-11-03. Kasago-ne and Tobi-ne routes, habitat, depths and May-June squid egg-laying structures; no guaranteed encounters.
Ishibashi Diving Center: fees and participation rules - Retrieved 2026-11-03. Posted fees, self-diving requirements, instructor-accompanied freediving and rental limits. Direct fetch failed; primary indexed page reviewed; reconfirm tariff.
Diving Shop NANA: guided Hayama snorkeling - Retrieved 2026-11-03. Direct Hayama snorkeling offer, age/screening, inclusions and winter consultation. Page does not guarantee a fixed shore site.
Miura Umi no Gakko: Jogashima or Mitohama snorkeling - Retrieved 2026-11-03. Jogashima/Mitohama surface program, conditions-based selection, minimum party, equipment and pricing. SUP/kayak listings currently suspended.
Odawara City: 2026 Miyuki and Enoura bathing-beach rules - Retrieved 2026-11-03. August 10, 2026 municipal notice prohibits snorkeling inside managed Miyuki/Enoura bathing areas; not all Odawara waters. Future opening dates unverified.
Jogashima Park official park guide - Retrieved 2026-11-03. Park is at the tip of Miura; viewpoints, pine-shaded walking spaces, picnic areas and Awasaki lighthouse. Cormorants overwinter November-April according to the park. This is a topside viewing opportunity, not a guaranteed underwater encounter. Do not include shell collecting recommended by the page; use leave-in-place conservation guidance. Clear-day vistas are conditional.
Museum of Modern Art, Hayama visitor information - Retrieved 2026-11-03. Normal hours09:30-17:00; last admission16:30. Closed Mondays except national/substitute holidays, Dec29-Jan3 and exhibition-change periods. Current website is provisional with Oct23,2026 snapshot notice. Confirm exhibition-specific availability.
Odawara Castle official access - Retrieved 2026-11-03. Castle is a10-minute walk from Odawara Station. Official page warns of heavy weekend/holiday road congestion and limited parking. Pedestrian estimate is not a promise for luggage or mobility needs.
Odawara Castle official visitor information - Retrieved 2026-11-03. Current keep admissionJPY1,000 adults, JPY300 elementary/junior-high, including SAMURAI museum. Keep09:00-17:00, last entry16:30; closes second Wednesday of December and Dec31-Jan1. Older official city English page and2023 brochure showingJPY500 keep fee are superseded.
Urari market, Miura Tourism Association - Retrieved 2026-11-03. Urari has fish and produce halls at Misaki5-3-1, a two-minute walk from Misaki Port bus stop. Fish hall normally09:00-17:00, Sunday07:00 opening; produce10:00-17:00, weekends/holidays09:00 opening. Useful for market visit planning; verify current holiday changes. No fishing-port working-area access inferred.
Little Blue: Hayama marine seasons and conservation - Retrieved 2026-11-03. Qualitative local marine-season patterns and distant-storm swell; numeric illustrative water temperatures are not used as normals.
JMA: tsunami warnings and evacuation - Retrieved 2026-11-03. Leave the sea/coast for tsunami advisories; evacuate after strong or prolonged shaking and remain evacuated until warnings are cleared.
National Tax Agency: international tourist tax - Retrieved 2026-11-03. JPY 3,000 departure tax, eligible pre-July-2026 ticket exception, carrier collection and exemptions.
Little Blue: published lesson prices effective 11 May 2026 - Retrieved 2026-11-03. Tax-inclusive rates effective May 11, 2026, inclusions and cancellation terms; no full-trip budget evidence.
Kanagawa Prefecture: coastal recreation and fishery rules - Retrieved 2026-11-03. Updated July 27, 2026. Protected catch, fishery rights and restrictions on harvesting equipment; does not imply a blanket ban on non-extractive diving.
DAN: freediving risk assessments - Retrieved 2026-11-03. Trained buddy supervision, avoiding hyperventilation, site-specific emergency planning, oxygen and communication arrangements.
DAN Southern Africa: scuba and freediving on the same day - Retrieved 2026-11-03. DAN medical-team explanation supports separating substantial breath-hold training and scuba; limited evidence prevents one universal mixed-activity interval.
DAN World: flying after diving - Retrieved 2026-11-03. Asymptomatic recreational divers: minimum 12 hours after one no-decompression dive, 18 after repetitive/multiday diving; longer after decompression. These intervals do not eliminate risk.
DAN Japan: medical services and emergency hotline - Retrieved 2026-11-03. Emergency-service priority, member hotline +81-3-3812-4999 and 24-hour referral support. Membership service is not universal visitor insurance.
JNTO: emergencies and visitor assistance - Retrieved 2026-11-03. Japanese emergency numbers and 24-hour multilingual Japan Visitor Hotline. Assistance does not replace ambulance or maritime rescue dispatch.
Yokohama Rosai Hospital: hyperbaric-treatment suspension notice - Retrieved 2026-11-03. Hospital notice dated August 6, 2024 suspends outpatient, inpatient and emergency hyperbaric treatment indefinitely. No reopening was verified; not a live receiving-facility confirmation.
Japan Meteorological Agency: Yokohama 1991-2020 monthly climate normals - Retrieved 2026-11-03. 1991-2020 regional air-weather normals; September/October are wet. Not a water-temperature or visibility dataset.
Hayama museum current access page - Retrieved 2026-11-03. JR Zushi east exit stop3: Keikyu coastal bus Zushi11/12 to Sangaoka / Museum of Modern Art; published estimate about20 min. Keikyu Zushi-Hayama south exit stop2: same coastal bus routes, published estimate about18 min. Provisional website snapshot says information as of Oct23,2026 13:00. Exact dive-shop meeting points vary.
Diving Shop NANA: current shop and training information - Retrieved 2026-11-03. Current public introductory, guided and training offers with 2026 notices. Does not independently verify permits or instruction language.
Sanshiro ferry, Urari official service page - Retrieved 2026-11-03. Route serves Urari quay, Jogashima J's Fishing and Hakushu monument garden, in that order. Published journey about5 minutes per sector. Check current status and luggage. This is a local passenger harbor ferry, not a liveaboard or inter-base dive circuit.
Hayama Diving Service: drysuit instruction - Retrieved 2026-11-03. Direct local drysuit instruction and seasonal equipment guidance. Promotional safety claims are not adopted.
Hayama Town Shiosai Park - Retrieved 2026-11-03. Garden and museum on former imperial-villa annex grounds, with pine grove and tea-house structures. Normal hours08:30-17:00; last entry16:30. Do not transfer a Nov3,2025 free-admission announcement to2026.
Japan Coast Guard: maritime emergency number 118 - Retrieved 2026-11-03. 118 is the domestic maritime emergency reporting number. Report location, incident and time.
JMA: Kanto-Koshin climate overview - Retrieved 2026-11-03. Regional seasonal rainfall, temperature and sunshine patterns; not site-specific sea conditions or a forecast.
Japan Meteorological Agency: seasonal weather in Kanagawa - Retrieved 2026-11-03. Official seasonal weather: rainy-season fronts, typhoon timing and winter wind. Historical tendencies, not site-specific forecasts.
Kanagawa Fisheries Technology Center: real-time coastal sea conditions - Retrieved 2026-11-03. Timestamped coastal buoy observations for pre-trip checks; surface readings do not establish visibility or permission to enter.
Haneda Airport official rail access - Retrieved 2026-11-03. Haneda connects directly to Keikyu and Tokyo Monorail. Airport estimates approximately 15 minutes to Shinagawa and 30 minutes to Yokohama, before onward transfers; schedules and fares belong to the transport operators. These are station estimates, not airport-to-dive-center times.
Narita Airport official rail access - Retrieved 2026-11-03. Narita is served by Narita Sky Access, Keisei and JR. Narita Express route information lists Tokyo, Shinagawa, Yokohama and Ofuna among major stations. Check the train destination and dated service notices. Do not promise every departure is a direct Yokohama/Ofuna service.
Misaki Marine Center live operating status - Retrieved 2026-11-03. Active official page reports daily status separately for Sanshiro and Nijiiro Sakana sightseeing vessel. The fetched Nov3,2026 23:45 status says the day's operations have finished. Earlier indexed snippet said normal operation at13:57. Do not label the ferry currently operating from a cached snippet.
Japan MOFA: short-stay visa exemptions - Retrieved 2026-11-03. Nationality-specific short-stay exemptions, passport conditions and differing permitted stays. Not a universal visa-free entitlement.
Jogashima Park prefectural tourism access - Retrieved 2026-11-03. Official prefectural tourism site gives access via Keikyu Misakiguchi and a bus toward Jogashima. Do not treat the railway terminus as the dive-center arrival point.
Odakyu Odawara station - Retrieved 2026-11-03. Odawara is an Odakyu railway station with official station information. Exact schedules/prices require current journey planner.
JR East planned service changes - Retrieved 2026-11-03. On Nov 7, 2026 the Yokosuka Line is suspended Tokyo-Shinagawa all day for tunnel repairs; trains turn back beyond that section. Narita Express is suspended Tokyo-Ofuna/Shinjuku on that date, with selected Nov6 evening and Nov8 morning trains also affected. A dated disruption, not an annual November rule.
Hilton Odawara official spa page - Retrieved 2026-11-03. Spa and hot spring at583-1 Nebukawa, Odawara. Day guests may use hot spring09:00-21:00, final admission30 min before closing, as displayed. Confirm current entry policy and day-use fee. Do not repeat detox or medical benefit marketing. Not a diving-medical facility.
Hilton Odawara official access - Retrieved 2026-11-03. Shuttle from Nebukawa runs daily; Odawara station shuttle runs Monday-Friday excluding holidays and specified periods. Nebukawa is two train stops from Odawara, published estimate7 min. Hotel-specific shuttle is not a public transfer to dive centers.
JNTO currency guidance - Retrieved 2026-11-03. Japanese yen, codeJPY, symbolJPY. Carry some cash; do not assume cards everywhere. Japan Post Bank and Seven Bank ATM networks are practical options for foreign-card cash withdrawal; hours and fees vary. Do not copy the page's stale approximate USD exchange conversion; do not claim every ATM accepts every card.
JNTO general travel planning - Retrieved 2026-11-03. Japanese is the principal visitor language; English is more likely at major tourist facilities than universally. Japan standard timeUTC+9 without daylight saving. For dive briefings explicitly confirm language support; generic tourist English does not verify an English-speaking instructor.
JNTO plugs and electricity - Retrieved 2026-11-03. Japan uses100V AC; eastern Japan50Hz. JNTO plan/FAQ identify two-flat-prong TypeA sockets. Avoid implying a plug adapter converts voltage.
JNTO Wi-Fi and connectivity - Retrieved 2026-11-03. Major airports provide free Wi-Fi. Rental pocket Wi-Fi and prepaid travel SIMs are available; SIM use requires an unlocked compatible phone. Do not repeat guarantees of coverage, specific old SIM pricing or obsolete hotspot access instructions. No offshore signal guarantee.
Destination hero photo by wanderplans.com - Unsplash License. Photographer profile: https://unsplash.com/@wanderplans | Location: Miura, Kanagawa, Japan